QSC PLD4/3 User manual

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QSC PLD4/3 User manual | Manualzz
PLD Amplifiers
User Manual
PLD4.2 — 4 Channel, 1600 W Amplifier
PLD4.3 — 4 Channel, 2500 W Amplifier
PLD4.5 — 4 Channel, 5000 W Amplifier
TD-000368-01-A
*TD-000368-01*
EXPLANATION OF SYMBOLS
The term “WARNING!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death.
The term “CAUTION!” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in
damage to the equipment that may not be covered under the warranty.
The term “IMPORTANT!” indicates instructions or information that are vital to the successful completion of the procedure.
The term "NOTE" is used to indicate additional useful information.
The intent of the lightning flash with arrowhead symbol in a triangle is to alert the user to the presence of un-insulated "dangerous"
voltage within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to humans.
The intent of the exclamation point within an equilateral triangle is to alert the user to the presence of important safety, and operating
and maintenance instructions in this manual.
IMPORTANT SAFETY INSTRUCTIONS
WARNING!: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with a dry cloth.
• Do not block any ventilation opening. Install in accordance with the manufacturer's instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A
grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided
plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from
the apparatus.
• Only use attachments/accessories specified by the manufacturer.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply
cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
• The appliance coupler, or the AC Mains plug, is the AC mains disconnect device and shall remain readily operable after installation.
• Adhere to all applicable, local codes.
• Consult a licensed, professional engineer when any doubt or questions arise regarding a physical equipment installation.
TD-000368-01-A
2
FCC Statement
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his
own expense.
RoHS STATEMENT
The QSC PLD4.2, PLD4.3 and PLD4.5 amplifiers are in compliance with European Directive 2002/95/EC – Restriction of Hazardous Substances (RoHS).
The QSC PLD4.2, PLD4.3 and PLD4.5 amplifiers are in compliance with “China RoHS” directives. The following chart is provided for product use in
China and its territories:
QSC PLD4.2, PLD4.3, and PLD4.5 Amplifiers
部件名称
(Part Name)
有毒有害物质或元素
(Toxic or hazardous Substances and Elements)
铅
(Pb)
汞
(Hg)
镉
(Cd)
六价铬
(Cr(vi))
多溴联苯
(PBB)
多溴二苯醚
(PBDE)
电路板组件
(PCB Assemblies)
X
O
O
O
O
O
机壳装配件
(Chassis Assemblies)
X
O
O
O
O
O
O: 表明这些有毒或有害物质在部件使用的同类材料中的含量是在 SJ/T11363_2006 极限的要求之下。
(O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement
in SJ/T11363_2006.)
X: 表明这些有毒或有害物质在部件使用的同类材料中至少有一种含量是在 SJ/T11363_2006 极限的要求之上。
(X: Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the
limit requirement in SJ/T11363_2006.)
TD-000368-01-A
3
Warranty (USA only; other countries, see your dealer or distributor)
QSC Audio Products 3 Year Limited Warranty
QSC Audio Products, LLC (”QSC”) guarantees its products to be free from defective material and/or workmanship and will replace defective parts
and repair malfunctioning products under this warranty when the defect occurs under normal installation and use, provided the unit is returned to
our factory, one of our authorized service stations or an authorized QSC International Distributor via pre-paid transportation with a copy of proof
of purchase (i.e., sales receipt). This warranty provides that the examination of the return product must indicate, in our judgment, a manufacturing
defect. This warranty does not extend to any product which has been subjected to misuse, neglect, accident, improper installation, or where the
date code has been removed or defaced. QSC shall not be liable for incidental and/or consequential damages. This warranty gives you specific legal
rights. This limited warranty is freely transferable during the term of the warranty period. The warranty on QSC products is NOT VALID if the products
have been purchased from an unauthorized dealer/online e-tailer, or if the original factory serial number has been removed, defaced, or replaced in
any way. Damage to, or loss of any software or data residing on the product is not covered. When providing repair or replacement service, QSC will
use reasonable efforts to reinstall the product’s original software configuration and subsequent update releases, but will not provide any recovery or
transfer of software or data contained on the serviced unit not originally included in the product.
Customers may have additional rights, which vary from state to state or from country to country. In the event that a provision of this limited warranty is
void, prohibited or superseded by local laws, the remaining provisions shall remain in effect.
The QSC limited warranty is valid for a period of three (3) years from date of purchase in the United States and many (but not all)
other countries.
For QSC warranty information in countries other than the United States, contact your authorized QSC international distributor. A list of QSC
International distributors is available at www.qsc.com.
To register your QSC product online, go to www.qsc.com and select ”Product Registration”. Other questions regarding this warranty can be answered
by calling, e-mailing or contacting your authorized QSC distributor.
Phone: 1-800-854-4079 within US and Canada, +1-714-754-6175 international, Email: [email protected], Website: www.qsc.com.
TD-000368-01-A
4
Introduction
Built for system integrators, the PLD series amplifiers provide multi-channel amplification with built-in DSP and enough power to drive wide varieties
of speaker systems with optimal energy efficiency. The PLD Series consists of three light-weight, 2RU, four-channel amplifiers with on-board DSP and
flexible channel combining. These amplifiers not only provide the power and processing to make your system perform better, they offer outstanding
efficiency ensuring that energy costs are kept to a minimum over the life of the installation.
PLD amplifiers feature Flexible Amplifier Summing Technology (FAST). Depending on the model, 1600, 2500, or 5000 Watts of total power can be
distributed across one to four outputs.
The PLD Series amplifiers use QSC’s third-generation class-D power-amplifier design in combination with a custom power stage utilizing a new output
device. In addition, PLD amplifiers employ the proven PowerLight power supply in conjunction with Power Factor Correction (PFC) which aligns the
current waveform with the AC mains voltage waveform. PFC enables the PLD Series amplifiers to draw current from the wall in a more efficient and
controlled manner resulting in very high power from a single standard AC breaker. Additionally, the PLD Series amplifiers offer multi-stage sleep
modes saving energy when possible without sacrificing performance. The result is an exceptionally powerful and flexible platform that offers low
weight and efficiency.
With four channels of amplification plus signal processing in just 2RUs, the PLD series replaces equipment taking up as much as three times
the rack-space.
A single PLD Series amplifier is a capable and sophisticated loudspeaker processor. Integration of processing and amplification means that the DSP
knows exactly what the amplifier is doing so dynamics processing can be far more accurate and effective. This approach employs both RMS and Peak
Limiters that allow the amplifier and loudspeaker to produce more output without being pushed to distortion or destruction.
The on-board DSP offers four channels of crossover filters, 5-band parametric EQ/Low-shelf/High-shelf, alignment delay and dynamics processing
— everything needed to optimize a loudspeaker system. Additionally when using QSC loudspeakers, PLD amplifiers provide Intrinsic Correction™, a
combination of filtering, limiting and loudspeaker knowhow that was first developed for QSC's WideLine line-array loudspeakers. Intrinsic Correction
compensates for the non-linearity in array and horn design resulting in exceptional performance.
The PLD also includes manufacturers' recommended tunings for the most popular passive loudspeakers. A system setup wizard helps you select the
right preset, or select one of the 20 configuration templates and create tunings that you can save in the user preset library.
With a dedicated front panel user interface, complete with LED meters and indicators, a 400 x 240 TFT color display, a rotary encoder and navigation
buttons, the PLD amplifiers provide an intuitive means to control the system.
Unpacking
There are no special unpacking instructions. You may want to keep the shipping material for the unlikely event that the amplifier should need
returning for service.
Package Contents
1. Quick-Start Guide TD-000351-00
4. IEC AC Power Cord
2. Warning Information Sheet TD-000420-00
5. USB Cable
3. PLD Amplifier
TD-000368-01-A
5
Features
Amplifier Front Panel
1
12
2
3
4
5
6
7
8
9
10
13
14
15
16
11
— Figure 1 —
1. Output channels are labeled A, B, C, and D
9. Input Channel Signal-Present LEDs (Blue)
2. Output Channel Mute Buttons and LEDs (Red)
10. Input channels are labeled 1, 2, 3, and 4
3. Output Channel Limiter LEDs (Red)
11. LCD Graphic Display
4. Output Channel -10 dB Below Limiter Activation LEDs (Blue)
12. HOME Button
5. Output Channel -20 dB Below Clip LEDs (Blue)
13. ENTER Button
6. Soft Power Button (Blue/Red)
14. MASTER CONTROL Knob
7. Channel Select Buttons and LEDs (Amber for Input, Blue for Output)
15. EXIT Button
8. Input Channel Clip LEDs (Red)
16. GAIN Button
Amplifier Rear Panel
NOTE: The PLD4.3, and PLD4.5 models have a different rear panel configuration than the PLD4.2 rear panel. The difference is the
position of the fan and the connectors.
1
2
4
ROUTABLE INPUTS
USB
XLR
PIN 1
PIN 2
PIN 3
3
SPEAKER
WIRE
CLASS 2
EXCEPT
BRIDGE
MODES,
140V &
200V: USE
1 PARALLEL
2 PARALLEL
3 PARALLEL
4 PARALLEL
5
OUTPUTS TO SPEAKERS
6
7
8
9
BRIDGED OUTPUTS
A
B
X
C
D
Y
CLASS 3.
UTILISER
UN CABLE
CLASSE 2.
BRIDGE,
140V ET
200V:
UTILISER
UN CABLE
POWER
ON
CLASSE 3.
2 OHM MIN IMPEDANCE PER CHANNEL
BRIDGED MODES 4 OHM MIN IMPEDANCE
— Figure 2 —
1. USB Type B, 4-Pin
6. Cooling Fan
2. Four XLR-F Female Line Input Connectors
7. Power Switch
3. Four XLR-M Male Line Output Connectors
8. Locking IEC Power Connection (100 – 240 VAC, 50 – 60 Hz)
4. Four NL4 Output Connectors (Individual and Parallel)
9. Rear Rack-mount Brackets
5. Two NL4 Output Connectors (Bridged Outputs)
10. Front Rack-mount Brackets
TD-000368-01-A
6
10
Amplifier Control
A
B
OUTPUT C
ENTER Button
• Navigates into the menu structure
• Enters the edit mode for adjusting parameters
• Confirms the changes you make and exits edit mode.
D
MASTER
CONTROL
MUTE
MUTE
MUTE
MUTE
ENTER
HOME
EXIT Button
LIM
EXIT
ENTER
• Navigates out of the menu structure and parameter selection.
• In the edit mode, pressing EXIT reverts the value back to its prior
state, and exits the edit mode.
-10
-20
EXIT
SEL
SEL
SEL
SEL
GAIN
HOME Button
CLIP
SIG
1
2 INPUT 3
• If you are on the Home screen, pressing HOME displays the alternate
Home screen. Pressing HOME again returns you to the primary
Home screen.
• If you are on a navigation screen, pressing HOME takes you to the
home screen.
• If you are on an edit screen, pressing HOME will confirm any value
being edited and take you to the Home screen.
4
— Figure 3 —
Off Mode
• Rear power switch is off, the amplifier is not operable. The power
switch is the AC Mains disconnect.
• The power button is not illuminated.
• Turn the power switch to on. The amplifier enters the mode it was in
when power was removed. The power button is illuminated based on
the mode.
GAIN Button
SEL Buttons
• From Standby or Mute All modes, press and release the power button
on the front panel.
• The power button is illuminated blue.
• The amplifier is fully operable; audio can pass.
GAIN
SEL
SEL
• Use these buttons to navigate between input channels or output
channels. For example, if you are adjusting output gain on channel A,
pressing the channel B SEL button takes you to the gain adjustment
for channel B.
• The SEL buttons are active only when the LCD screen is on an input
or output parameter adjustment screen.
• The SEL buttons illuminate blue for output channels, and amber for
input channels.
Standby Mode
• From Mute All or Run modes, press and hold the power button on
the front panel for two to three seconds.
• The power button illuminates solid red.
• The front panel LCD is off.
• The amplifier is not operable; audio will not pass.
LIM LEDs
LIM
• Illuminates red when the Limiter is engaged.
-10 and -20 LEDs
Mute All Mode
-10 & -20
• Indicates the output level of the channel.
From the Run Mode, quickly press and release the power button.
The power button flashes red.
The outputs are muted and amplifiers are off.
The front panel and DSP functionality are fully operable. Any changes
you make are saved and take effect in the Run Mode.
CLIP LEDs
CLIP
• Illuminates red when the input signal is being clipped.
SIG LEDs
Master Control Knob
• Illuminates blue when a signal is present.
• Scrolls up/down and right/left to select menu items and parameters
• Adjusts parameters
TD-000368-01-A
GAIN
• Pressing the GAIN button from any screen takes you to the output
gain screen for the most recently accessed output channel.
• Pressing GAIN again confirms the gain change and returns to the
screen you were on when you pressed GAIN.
• The Gain button illuminates green when selected.
Run Mode
•
•
•
•
HOME
7
SIG
PLD Amplifier Signal Flow
Input Settings
1 Sensitivity
Switch
2 Sensitivity
Switch
3 Sensitivity
Switch
4 Sensitivity
Switch
A/D
Meter
Output Processing
Gain
Source
Select
Mute
Highpass
Filter
Gain /
Polarity
Lowpass
Filter
Gain /
Polarity
Lowpass
Filter
Amp Config.
A
Delay
RMS
Peak
Limiter
D/A
5-Band
PEQ
Delay
RMS
Peak
Limiter
D/A
B
Meter
5-Band
PEQ
A
Meter
B
A/D
Meter
Gain
Source
Select
Mute
Highpass
Filter
A/D
Meter
Gain
Source
Select
Mute
Highpass
Filter
Gain /
Polarity
Lowpass
Filter
5-Band
PEQ
Delay
RMS
Peak
Limiter
D/A
C
Meter
A/D
Meter
Gain
Source
Select
Mute
Highpass
Filter
Gain /
Polarity
Lowpass
Filter
5-Band
PEQ
Delay
RMS
Peak
Limiter
D/A
D
Meter
C
D
X
Y
Button
Actuated
Set by
Preset or Wizzard
Crossover
— Figure 4 —
Screen Types
Informational
Informational screens, like the HOME screen, are
designed to provide you with a good amount of
useful information at a glance.
Preset # and Configuration
Location and breadcrumbs
F1: A B C D
Home (Press HOME for more information)
Full
Full
Full
Full
A - FR
+1.5 dB
B - FR
+3.5 dB
C - FR
+1.5 dB
D - FR
+1.5 dB
AC Voltage: 121 V
Channel Configuration
and Gain
AC Voltage and Current
AC Current: 7.2 A
Amplifier Status
Amp Status: OK
— Figure 5 —
Navigational
Navigational screens provide the means to move
around and select menu items. Use the Master
Control knob, ENTER and EXIT buttons for navigation.
This is an example of one type of navigational screen,
there are others.
Preset # and Configuration
Location and breadcrumbs
F1: A B C D
Menu
Empty area indicates no
selections above (CCW).
PRESETS
Current Menu Selection
Preset Recall and Save
Next Menu selection below
(CW)
INPUTS
— Figure 6 —
Parameter Editing
20 dB
Parameter editing screens allow you to select, edit,
and confirm changes for various system parameters.
Use the ENTER button to edit and confirm changes
to parameters. Use the Master Control knob to select
parameter, and make adjustments. Use the EXIT
button to exit the edit mode without saving changes.
Parameter being edited
Parameter not selected
Parameter selected
-60 dB
Gn/Pol
Gain
-7.0 dB
— Figure 7 —
TD-000368-01-A
Output
A
F1: A B C D
8
Polarity
POL+
Gain
-7.0 dB
Menu Tree
Presets
Inputs
Outputs
Utilities
Preset Recall
Input Sensitivity
Source Select
Status
Preset Save
Input Gain
Processing
Amp ID
Preset Wizard
Crossover
Display
PEQ
Lockout
Delay
Password
Limiter
Array Correction*
Load Speaker
*For QSC Line Arrays only
Save Speaker
About Presets
The PLD amplifiers are preset driven. In order to get the most out of the amplifiers, an understanding of how presets work is essential. A Preset, in the
context of the PLD amplifiers, is a combination of amplifier configuration (inputs and outputs), DSP and loudspeaker assignments. When a preset is
recalled it can change the output routing and wiring and/or any of the DSP settings.
The PLD amplifiers come with 20 unchangeable factory presets, and 50 user-defined presets. The factory presets are designed to be starting points
for creating the presets you need for your particular installation. Factory presets F1: thru F9: have no DSP or loudspeaker assignments, only output
configurations. Factory presets F10: thru F20: include basic settings along with the output configurations.
Creating User-defined Presets
A preset can be created in two ways, the first is to modify an existing preset, then save this as a new preset. The second is to use the Preset Wizard to
create a Preset from scratch.
Save As a New Preset
After selecting a starting preset, navigate through the Input and Output menus to select and modify the parameters needed for your system. After
modifying the parameters for each channel, return to the Preset menu and save your work. If you started with a user-defined preset, you can update
the preset you started with using the SAVE function or, you can use the SAVE AS function.
Preset Wizard
The Preset Wizard simplifies the preset creation process, and allows you to create a preset from the ground up. The Preset Wizard provides a
mechanism for you to select the desired power and load. Based on these selections, the best amplifier configuration is selected and you are then
allowed to select and assign loudspeakers to each output.
NOTE: By default, all 50 of the user-defined presets are configured the same as factory preset F1. Either method described above
"overwrites" some existing preset. The main difference is the SAVE function overwrites only the preset number you started with, and the
SAVE AS function allows you to save to a different user preset number and change the name.
TD-000368-01-A
9
Installation
The following steps are written in the recommended installation order.
Mount the PLD Amplifier
The PLD Series amplifiers are designed to be mounted in a standard rack-mount
unit. The amplifiers are 2RU high, the PLD4.3 and 4.5 are 381 mm (15 in) deep, the
PLD4.2 is 229 mm (9 in) deep.
Depending on the depth of your rack, the Rear Rack Ear Support kit (FG-000031-00)
may be required for rack mounting. Refer to http://qsc.com/products/ under
Accessories for details.
CAUTION!: Be sure that nothing is blocking the front or rear
ventilation openings, and that each side has a minimum of
2 cm clearance.
— Figure 8 —
1. Use the proper fastening hardware (not included) to secure the amplifier in the rack. The PLD4.3 and PLD4.5 have four front and four rear
mounting tabs. The PLD4.2 has four front mounting tabs.
AC Mains
WARNING!: When the AC Power is on, there is a potential of having
dangerous voltage at the output terminals on the rear of the amplifier. Use
caution not to touch these contacts. Turn off the AC Mains disconnect switch
prior to making any connections.
The PLD amplifiers have a Universal power supply 100 – 240 VAC, 50 – 60 Hz, with an IEC
locking connector.
1. Connect the IEC AC power cord to the rear AC inlet and the AC source.
AC Power
— Figure 9 —
NOTE:
If the amplifier has no audio for fifteen minutes, the amplifier stops switching. The amplifier returns to the Run mode the instant
audio is present.”
When you remove power from the amplifier, then re-apply the power, the amplifier returns to its last state.
TD-000368-01-A
10
Inputs
Connect the Audio Inputs
Balanced
Inputs
Unbalanced
Inputs
2
1
2
Ground
1
Positive
2
Ground
1+3
Negative
3
Positive
2
— Figure 10 —
— Figure 11 —
3
3
1
— Figure 12 —
There are four female XLR connectors labeled 1 through 4 that provide the audio inputs to the PLD amplifiers. A single input can be routed to one
or a combination of outputs. You can use from one to four of the inputs. The inputs are 10 kΩ balanced or unbalanced, with a selectable sensitivity
of either +4 or +14 dBu. There are four male XLR connectors in parallel with the four female connectors. The male XLRs are for daisy chaining to the
inputs of other amplifiers.
1. Make sure your audio source devices are powered off.
2. Connect the input source XLRs to the four female XLRs. (Figure 10)
NOTE: The PLD Series has the capability of routing the inputs to different outputs. Be sure that the connections you make here match
the configuration of the amplifier.
USB (Optional)
The USB cable (supplied) connects to a Mac or PC for use with the Amplifier Navigator software. You can update the amplifier firmware, save and
deploy configuration files, and more. Refer to the Amplifier Navigator online help for details.
Outputs
The PLD amplifiers have four configurable outputs. You can set the power, combine outputs (bridged and parallel), and adjust the DSP for each
output. When the output configuration of the amplifier changes, the output connections, controlled by relays, change accordingly. Use the diagrams
shown in Figure 14 thru Figure 22 as a reference for wiring the loudspeakers.
Select the Output Configuration
The first step is to select a Preset based on the loudspeakers being connected to the amplifier. You can use a factory preset, and then adjust the
parameters as needed, then save the configuration as a user-defined preset. In addition, you can use the "Power Distribution Charts" on page 15
to create presets from the ground up. When the configuration is changed, all four channels are automatically muted.
F1: A B C D
Current Configuration
Input number
Mid-Frequency
F7: ABC D
Selected Configuration
Input number
Sub-woofer
High-Frequency
Low-Frequency
Full Range
1 ABC
4 D
Frequency Range color
Output Configuration
— Figure 13 —
TD-000368-01-A
11
Frequency Range Color Codes
WARNING!: When the AC Power is on, there is a potential of having dangerous voltage at the output terminals on the rear of
the amplifier. Use caution not to touch these contacts. Turn off the AC Mains disconnect switch prior to making any connections.
IMPORTANT: QSC recommends that you connect jumpers where the terminals are the same points electrically. Refer to Figure 14
thru Figure 22.
1. Turn the AC Mains power switch to on. The amplifier starts in the Run mode, or the last mode it was in before power was turned off.
2. Press and release the front-panel power button. The button flashes red, the amplifier is in Mute All mode.
3. Select the configuration appropriate for your loudspeakers, using either Preset Recall, or the Preset Wizard.
The following is a list of configurations for 1-, 2-, 3-, and 4-channel outputs. This is not an exhaustive list, but is intended to give you an idea of what is
available and how the outputs would be wired.
One-Channel Configurations
ABCD Parallel
F9: ABCD
1-
F9: ABCD
= Subwoofer
1
1+
ABCD
1+
A
1-
1+
1-
B
X
D
Y
1+
C
1-
The following are electrically
the same point
A. B, C, and D, (1+)
A, B, C, and D, (1-)
You can use any, or all of the
connectors A, B, C, and/or D.
— Figure 14 —
AB in Parallel
Bridged with
CD in Parallel
F8: AB+CD
F8: AB+CD
A
B
1+
X
1-
1 AB+CD
= Subwoofer
C
D
Y
— Figure 15 —
Two-Channel Configurations
A+B Bridged
C+D Bridged
F6: A+B C+D
F6: A+B C+D
A
B
3 C+D
— Figure 16 —
TD-000368-01-A
12
2-
1+
C
The following are electrically
the same point
X (2+) and Y (1+)
X (2-) and Y (1-)
X
1-
= Subwoofer
1 A+B
1+ 2+
Optional
D
1-
Y
AB Parallel
C+D Bridged
F5: AB C+D
F5: AB C+D
1+
1-
2+
1+
A
1-
B
X
= Subwoofer
= Mid Range
1 AB
1+
3 C+D
The following are electrically
the same point
A (1+) and B (1+)
A (1-) and B (1-)
X (2+) and Y (1+)
X (2-) and Y (1-)
C
D
1-
Y
Optional
— Figure 17 —
AB Parallel
CD Parallel
F4: AB CD
F4: AB CD
1+
1-
1+
A
1-
B
X
D
Y
B
X
D
Y
= Subwoofer
= Mid Range
1 AB
3 CD
The following are electrically
the same point
A (1+) and B (1+)
A (1-) and B (1-)
C (1+) and D (1+)
C (1-) and D (1-)
11+
C
11+
Optional
— Figure 18 —
ABC Parallel
D Single
F7: ABC D
F7: ABC D
1+
1-
1+
A
1-
= Subwoofer
1 ABC
4 D
= High Range
1+
1The following are electrically
the same point
A (1+), B (1+), and C (1+)
A (1-), B (1-), and C (1-)
C
1+
1-
Optional
— Figure 19 —
Three-Channel Configurations
A+B Bridged
C Single
D Single
F3: Config - A+B C D
F3: Config - A+B C D
1+
A
B
1-
X
= Subwoofer
1 A+B
3 C
4 D
= Mid Range
1+
= High Range
1-
— Figure 20 —
TD-000368-01-A
13
C
1+
1-
D
Y
2-
F2: AB C D
AB Parallel
C Single
D Single
F2: AB C D
1+
A
1-
1+
B
X
D
Y
B
X
D
Y
1-
= Subwoofer
1 AB
3 C
= Full Range
4 D
1+
1The following are electrically
the same point
A (1+) and B (1+)
A (1-) and B (1-)
C
1+
1-
Optional
— Figure 21 —
Four-Channel Configuration
A Single
B Single
C Single
D Single
F1: A B C D
F1: A B C D
1 A
2 B
3 C
1+
1-
1+
4 D
= Full Range
1-
1+
A
C
1-
1+
1-
— Figure 22 —
Connect the Loudspeakers
WARNING!: When the AC Power is on, there is a potential of having dangerous voltage at the output
terminals on the rear of the amplifier. Use caution not to touch these contacts. Turn off the AC Mains
disconnect switch prior to making any connections.
21+
2+
1-
1. Turn the AC Mains power switch on the back of the amplifier to OFF.
2. Connect the loudspeaker wiring to male NL4 connectors (Figure 23) as needed for your amplifier's configuration.
Refer to Figure 14 thru Figure 22 for wiring diagrams. When combining channels, QSC recommends that you connect
jumpers between output terminals that are the same points electrically. Refer to Figure 14 for details.
Male NL4 Wiring
— Figure 23 —
3. Connect the male NL4 connectors to the female NL4 connectors, on the rear of the amplifier, according to your amplifier's configuration.
The following table shows you which pins on which NL4 you can use for each mode. Where there is more than one connector for a given mode, the
PLD allows you to use one, all or some of the available connectors. For example, in ABCD Parallel mode, you can use pins 1+ and 1- of NL4 (A, B, C,
and D), (A, or B, or C, or D), or (A and B), and so on; the pins are all in parallel and electrically the same point. It is recommended that where the pins
are electrically the same, you use all available pins whether by jumpers between pins, or direct wiring to each loudspeaker
TD-000368-01-A
14
Output Connectors
Standard
Bridged
Mode
NL4
A
Separate
Ch A 1+ / 1Ch B 2+ / 2-1
B
1+ / 1-
AB Parallel
ABC Parallel
ABCD Parallel
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
A
B
X
C
D
Y
CD Parallel
C
Ch C 1+ / 1Ch D 2+ / 2-1
D
1+ / 1-
1+ / 11+ / 1-
1+ / 1-
— Figure 24 —
A+B Bridged
C+D Bridged
AB+CD Bridged
1+ / 1-
2+ / 2-1
1+ / 1-
X
Y
1+ / 1-
— Table 1 —
1
For Bi-Amp operation.
AC Power On
After connecting the outputs to the loudspeakers, you may turn the amplifier on.
1. Make sure the output gain settings for all audio-source devices (CD Players, Mixers, Instruments, etc.) at the lowest output (max attenuation).
2. Turn on all audio sources.
3. Turn the AC Mains power switch on the back of the amplifier to ON. The amplifier starts in the state it was in when power was removed.
4. You can now bring up the outputs of your audio sources.
Power Distribution Charts
The following charts show the maximum power output for each channel in each configuration, and under different loads.
PLD 4.3 — Total Power: 2500W
8 Load
Configuration
4 CH (A B C D)
A
625
4 Load
B
C
D
A
625
650
625
625
3 CH (AB C D)
1000
625
625
3 CH (A+B C D)
1250
625
2 CH (AB CD)
1000
625
B
C
D
A
650
600
650
650
1200
650
650
1150
650
1000
1200
650
B
C
D
600
600
600
1200
600
600
625
600
1200
1200
600
1200
2 CH (AB C+D)
1000
1250
1200
1150
1200
625
2 CH (A+B C+D)
1250
1250
1150
1150
625
625
2 CH Alt (ABC D)
1100
625
2000
650
2500
1 CH (ABCD)
1100
2100
2500
1 CH (AB+CD)
2500
2370
2230
— Table 2 —
TD-000368-01-A
2 Load
15
600
PLD 4.5 — Total Power: 5000W
8 Load
2 Load
B
C
D
A
B
C
D
A
B
C
D
1150
1150
1150
1150
1250
1250
1250
1250
625
625
625
625
Configuration
4 CH (A B C D)
4 Load
A
3 CH (AB C D)
1200
1150
1150
2250
1250
1250
2100
625
625
3 CH (A+B C D)
2250
1150
1150
1150
1250
1250
625
625
625
2 CH (AB CD)
1200
1200
2250
2250
2100
2100
2 CH (AB C+D)
1200
2250
2250
1150
2100
625
2 CH (A+B C+D)
2250
2250
1150
1150
625
2 CH Alt (ABC D)
1150
1150
2400
1250
625
4100
625
1 CH (ABCD)
1150
2300
4200
1 CH (AB+CD)
4200
4250
2250
— Table 3 —
Preset Wizard
NOTE: The power levels shown in this procedure are taken from the PLD4.3 unless indicated otherwise. PLD4.2 will show less power
and PLD4.5 will show greater power.
HOME > PRESETS > PRESET WIZARD > ENTER
Step 1 — Adjust Impedance and Power
OUTPUTS
SPEAKERS
Adjust Impedance based on
the total loudspeaker load
connected to the channel.
SAVE
A
B
C
D
Imped:
8.0
--
--
--
Default = 8 Ω
Power:
625
--
--
--
Default = min. for amp
Output:
Scroll to select (Imped or Power)
To edit, press
Turn to adjust parameter
To confirm, press
Impedance and Power
are dynamically linked
for adjustments.
Remaining Power Available: 1875 W
Enter Load Profile (Impedance and Power)
ENTER
ENTER
Repeat for remaining
output channels
Possible Output Mode Combinations using the Preset Wizard
*
A
B
C
D
AB
C
D
AB
CD
A+B
C
D
ABC
D
AB + CD
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
25%
25%
25%
25%
50%
25%
25%
50%
50%
50%
25%
25%
50%
50%
75%
25%
100%
100%
Modes:
A B = Separate Channels / A+B = Bridge Mode / AB = Parallel Mode
* Precentages are used to represent the power for different amplifier models.
— Figure 25 —
TD-000368-01-A
A+B C+D
16
ABCD
Step 2 — Select Output Channel for Speaker Assignment
OUTPUTS
SPEAKERS
SAVE
Output:
A
B
C
D
Imped:
8.0
8.0
8.0
8.0
Power:
625
625
625
625
Spkr:
----
----
----
----
Assign
Assign
Assign
Assign
When you are finished setting
the Impedance and Power for
each output, continue to scroll
to access the SPEAKERS tab.
Scroll to select Output channel
Loudspeaker assignment is optional,
you can assign a loudspeaker to one
or more channels, or none at all.
To Assign a loudspeaker, press
Continue to Step 3.
ENTER
Step 3 — Select Speaker Type for Channel
OUTPUTS
SPEAKERS
Speaker:
Band and Filter
selections are based on
the Speaker you select.
You must select a
loudspeaker before
selecting Band and Filter.
A
Output:
WL2102 BiLFNS
Band:
2-Way LF
Filter:
80 Hz
To edit Speaker, press
SAVE
Scroll to select a Speaker model
To confirm, press
ENTER
Scroll to select (Band, Filter)
To edit, press
ASSIGN
ENTER
ENTER
Turn to adjust parameter
To confirm, press
ENTER
Scroll to select ASSIGN
To assign the speaker to the output channel, press
ENTER
Step 4 — Select User Preset Number
OUTPUTS
SPEAKERS
SAVE
User Preset Number:
21
New Preset Name
C
o
n
f
i
g
When you have finished
selecting loudspeakers,
continue to scroll to
access the SAVE tab.
Scroll to the Save screen
To edit User Preset number, press
ENTER
Turn to adjust parameter
-
A
To confirm, press
SAVE
ENTER
Edit preset number or press EXIT
Step 5 — Assign New User Preset Name
OUTPUTS
SPEAKERS
SAVE
Indicates editing
User Preset Number:
New Preset Name
M
y
P
r
e
s
SAVE
Edit preset number or press EXIT
TD-000368-01-A
Scroll to New Preset Name
press
ENTER
Scroll to desired letter position
press
ENTER
Turn to select desired character
press
ENTER
When finished, scroll to SAVE
press
ENTER
21
Indicates “New
Preset Name”
selection
Up to 21 characters
A-Z/a-z/0-9/
_ / - / space
17
Create New Preset from an Existing Preset
To create a preset from an existing preset, recall the preset with the desired output configuration, modify the Input parameters, Output parameters,
then save the preset. In addition, you can save the preset as you are going thru the creation process.
Recall a Preset
A Preset includes the output configuration, input parameters, and loudspeaker profiles (DSP, load, and assignments). There are 20 factory presets that
can be recalled, but not overwritten.
• Factory presets F1: thru F9: contain output configurations only.
• Factory presets F10: thru F20: contain the output configurations and basic DSP for the configurations.
• There are 50 user presets that can be recalled and overwritten.
HOME > PRESETS > PRESET RECALL > ENTER
Step 1 — Select Preset
F1: Config - A B C D
Indicates more Presets
F1: Config - A B C D
1 A
Input
2 B
Sub
LF
3 C
MF
Scroll to desired Preset
20 Factory, 50 User-defined
4 D
HF
Full
Step 2 — Confirm Selection
F1: A B C D
F18: Triamp - A+B C D
1 A+B
3 C
ENTER
To confirm the selection, press
ENTER
4 D
Press ENTER to confirm selection
TD-000368-01-A
To select the Preset configuration, press
The message at the bottom changes to: “Recalling Preset now...”
You may hear relays clicking
18
Set up the Inputs
NOTE: Changes made to input levels are in real time.
HOME > INPUTS > INPUT SENS > ENTER
Step 1 — Select Input Sensitivity
Input
1
F1: A B C D
Inputs > Input Sens
Scroll to select (+14 or +4 dBu)
(The background turns to green.)
To confirm selection, press
+14 dBu
INPUT SENS
To move to the next input, press
ENTER
SEL
Repeat procedure for
remaining input channels.
Press ENTER to confirm
HOME > INPUTS > INPUT GAIN > ENTER
Step 2 — Set Input Gain
Input
1
F1: A B C D
Inputs > Input Gain
Scroll to select (-100 thru 20 dB)
(0.1 dB increments)
-11.8 dB
INPUT GAIN
To confirm selection, press
ENTER
To move to the next input, press
SEL
Repeat procedure for
remaining input channels.
Press ENTER to confirm
Set up the Outputs
NOTE: Changes made to outputs are in real time.
Input Routings
Source Select
The PLD amplifiers are equipped with an internal router that allows you to select the input sources
for each of the four output channels.
1
1+2
2
2+3
3
3+4
4
— Table 4 —
• The default setting is Input 1 to Output A, 2 to B, 3 to C, and 4 to D.
• — Table 4 gives the possible input routings for a single output channel.
When you combine inputs, the input audio is summed equally to the output.
HOME > OUTPUTS > SOURCE SEL > ENTER
Step 1 — Select Input Source for each output channel
Output
A
F1: A B C D
Outputs > Source Select
Scroll to select Input combination
(1), (1+2), (2), (2+3), (3), (3+4), or (4)
To confirm selection, press
SOURCE SEL
Input Select
Input:
To move to the next output, press
CH: 1
Repeat procedure for
remaining input channels.
Press ENTER to confirm
TD-000368-01-A
19
ENTER
SEL
Loudspeaker Processing
The Speaker Processing section allows you to make adjustments to the Crossover, EQ, Delay, Limiter, and QSC Array details for each output channel.
In addition, you can load a pre-defined loudspeaker then make any adjustments needed, and save the changes as a user-defined loudspeaker.
Depending on the loudspeaker selection, various parameters are not available for adjustment. When you make adjustments, you are making them in
real time. If audio is passed while making changes, it is affected by the change.
The following instructions are not all in menu order, and all are optional. Repeat the following procedure for each output channel as necessary.
Load Speaker Profile
HOME > OUTPUTS > SPKR PROC > LOAD SPKR > ENTER
A loudspeaker profile includes all the DSP and loudspeaker characteristics available in the SPKR PROC section. When you LOAD a loudspeaker, you
are loading all of the DSP and characteristics of that loudspeaker. You can start by loading a loudspeaker and then make modifications and save your
new profile, or you can build the profile without loading a loudspeaker, and then save it as a new profile. If you load a QSC loudspeaker, the amplifier
is set for that specific loudspeaker and some parameters may be locked out because they are set to their optimal value by the Intrinsic Correction
Calculator, and should not be adjusted. The PLD supports a number of loudspeakers from other manufacturers. Refer to the list under "Included
Loudspeaker Profiles" on page 26. There may be additions to this list in the futrue that can be loaded with firmware updates.
NOTE: If you make changes to any of the loudspeaker processing parameters, and then LOAD a loudspeaker profile, all the changes
you made are overwritten.
Step 1 — Load an Existing Loudspeaker for the Selected Output
ABOUT
SPEAKERS
Output:
Speaker:
To edit Speaker, press
LOAD
Band and Filter
selections are
displayed and
constrained based
on the loudspeaker.
A
WL2102 BiLFNS
Band:
2-Way LF
Filter:
80 Hz
ENTER
Scroll to select Speaker model
To confirm, press
ENTER
Scroll to (Band, Filter)
To adjust, press
ENTER
Adjust selected parameter
CONFIRM
To confirm, press
ENTER
Scroll to LOAD
To Load the speaker profile to the selected output, press
ENTER
Crossover
HOME > OUTPUTS > SPKR PROC > CROSSOVER > HIGH-PASS (OR LOW-PASS) > FREQ > ENTER
Step 1 — Set the Crossover High- and/or Low-pass filters
Output
A
F1: A B C D
20 dB
-60 dB
HPF
TD-000368-01-A
Freq
70.0
Type
BWrth
Slope
24dB/oct
Freq: 20 - 20 kHz
Type:
• Butterworth
• Linkwitz-Riley,
• Bessel-Thomson
Slope:
6dB to 48dB/oct
depending on Type
20
Scroll to select (Freq, Type, Slope)
To edit, press
ENTER
Turn to adjust parameter
To confirm, press
To exit, press
ENTER
EXIT
HOME > OUTPUTS > SPKR PROC > CROSSOVER > GAIN/POL > GAIN > ENTER
Step 2 — Set the Crossover Gain and Polarity
Output
A
F1: A B C D
Scroll to select (Gain or Polarity)
20 dB
To edit, press
+
Gain -100 to +20 dB
–
-60 dB
Gain
-5.5 dB
Gn/Pol
Polarity + or -
Polarity
POL +
ENTER
Turn to adjust parameter
To confirm, press
To exit, press
ENTER
EXIT
Parametric EQ
HOME > OUTPUTS > SPKR PROC > PEQ > BAND 1, 2, 3, 4, OR 5 > BAND BYPASS > ENTER
The graph is a composite of all five bands. Each band has a full range of 20 Hz to 20 kHz.
Step 1 — Set the Crossover EQ
Output
A
F1: A B C D
Type: Bypass, Parametric, Low Shelf,
High Shelf (Default Bypass)
20 dB
Gain: -40 to +20 dB (Default 0.00)
Freq: 20 to 20kHz (Band 1 Def 100 Hz)
(Band 2 Def 500 Hz)
(Band 3 Def 1 kHz)
(Band 4 Def 2.5 kHz)
(Band 5 Def 5 kHz)
-60 dB
Band 1
Type
Gain
Parametrc -35 dB
Freq
100
BW
.01
BW:
0.01 to 3.00 Octive
(Default 1.00 Oct.)
Scroll to select
(Type, Gain, Freq, BW)
To edit, press
ENTER
Turn to adjust parameter
To confirm, press
To exit, press
ENTER
EXIT
Delay
HOME > OUTPUTS > SPKR PROC > DELAY > DELAY TIME > ENTER
Step 1 — Set the Output Delay Time
Output
Delay:
A
F1: A B C D
Outputs > Spkr Proc > Delay
DELAY TIME
Scroll to (Delay Time or Bypass)
0.0 ms to
50.00 ms
1.0 ms increments
14.0 ms
Bypassed
ENTER
Turn to adjust parameter
Bypass:
Bypassed or
Enabled
To confirm, press
To exit, press
Press ENTER to confirm
TD-000368-01-A
To edit, press
21
ENTER
EXIT
Limiter
HOME > OUTPUTS > SPKR PROC > LIMITER > ENTER
Step 1 — Set the Limiter Mode
Output
A
F1: A B C D
To edit the Limiter mode, press
ENTER
Turn to select the mode for the Limiter
AUTO
AUTO
Type
Med
SpkrPwr
200W
SpkrImp
8.0
ADV
OFF
To confirm setting, press
ENTER
HOME > OUTPUTS > SPKR PROC > LIMITER > AUTO
NOTE: SpkrPwr maximum output depends on the amplifier and the output configuration you select. The maximum for separate
channels is 1250 W, a single combined channel (ABCD or AB+CD) can be up to 5000 W depending on the amplifier.
Step 2 — Set the AUTO Mode Parameters
Output
A
F1: A B C D
Type:
Aggressive
Medium
Mild
SpkrPwr:
10.0 W to 1250 KW
Scroll to select (Type, SpkrPwr, SpkrImp)
To edit, press
Turn to adjust parameter
To confirm, press
AUTO
Type
Med
SpkrPwr
200W
SpkrImp
8.0
ENTER
SpkrImpd:
2.0 Ω to 32.0 Ω
To exit, press
ENTER
EXIT
Type - the Auto Limiter Type is a protection level and its values are, Mild, Medium and Aggressive. This Type parameter, along with the Power Rating
and Impedance drive an algorithm designed to maximize the performance of your loudspeakers. They set the RMS and Peak threshold values as well
as their attack and release setting.
SpkrPwr - if a single speaker is being driven, the SpkrPwr should be the continuous power rating of that loudspeaker. If multiple speakers are being
driven this value should be the combined power rating for the load.
SpkrImp - if a single speaker is being driven, the SpkrImp should be the nominal impedance of that loudspeaker. If multiple speakers are being
driven this value should be the combined impedance for the load.
HOME > OUTPUTS > SPKR PROC > LIMITER > ADV
Step 3 — Set the ADV Mode Parameters
Output
A
F1: A B C D
RMSThr: 3.0V to 100.0V
PkThr: 5.0V to 155.0V
PkAttk: 0.10 ms to 20.0 ms
PkRel: 1.00 ms to 1.0 s
RMSAttk: 0.05 s to 10.0 s
Scroll to select (RMSThr, PkThr,
PkAttk, PkRel, RMSAttk, & RMSRel)
To edit, press
Turn to adjust parameter
RMSRel: 1.0 s to 60.0 s
ADV
TD-000368-01-A
RMSThr
100.0V
PkThr
155.0V
Thr = Threshold, Pk = Peak, Attk = Attack, Rel = Release
22
ENTER
To confirm, press
To exit, press
ENTER
EXIT
Array Correction
NOTE: You must have a QSC line array loaded in order to access the Array Correction parameters.
HOME > OUTPUTS > SPKR PROC > ARRAY > ENTER
Step 1 — Set Splay Angle and Number of Boxes in the Array
Output
A
F1: A B C D
Scroll to select (Angle or Boxes#)
Splay Angle: Total cumlative
angle of the array.
Angle:
0.0˚ to 90.0˚
Array Length: Total number of
boxes in the array.
Boxes #:
0 to 20
Angle
15.0
AC
To edit, press
ENTER
Turn to adjust parameter
To confirm, press
Boxes #
4
To exit, press
ENTER
EXIT
Save a Loudspeaker
HOME > OUTPUTS > SPKR PROC > SAVE SPKR > ENTER
When you Save a speaker profile, you are saving all of the output settings currently active for the channel. The new profile you save does not need to
be Loaded, it is already active.
Step 1 — Save a Loudspeaker with Custom Load Profile
ABOUT
SPEAKERS
Output Data: AB + CD
Band:
Scroll to select (Band,
Nominal Imped, Power Rating)
SAVE
Nominal Impedance and
Power Rating are the nominal
settings for a single loudspeaker
of this type.
2-Way LF
Nominal Imped:
16.0
Power Rating:
1000
To edit, press
ENTER
Turn to adjust parameter
To confirm, press
ENTER
After confirming settings, Scroll to SAVE
Enter Speaker Info
Step 2 — Name the Loudspeaker Profile
ABOUT
SAVE
SPEAKERS
Speaker Profile Name
M
y
S
p
k
SAVE
Press ENTER to edit name
TD-000368-01-A
r
Indicates editing
Indicates “Speaker
Profile Name”
is selected
Up to 21 characters
A-Z/a-z/0-9/
_ / - / space
23
To add Speaker Profile Name, press
ENTER
Scroll to desired letter position
press
ENTER
Turn to select desired character
press
ENTER
When finished, scroll to SAVE
press
ENTER
Save the Preset
After modifying the Inputs and Outputs for all channels, save the current settings as one of the 50 user-defined presets (U1: thru U50:). Each of the
user presets, by default, is the same as factory preset F1: Config A B C D, so when you save the preset you are "overwriting" the preset currently in
that numbered position. If you started by recalling a factory preset, you must use the SAVE AS feature. If you started with a user-defined preset, you
can overwrite the preset you started with using the SAVE feature, or use the SAVE AS feature to overwrite a different user preset.
HOME > PRESETS > PRESET > SAVE> SAVE AS > ENTER
Step 1 — Save a New Preset - Select and Edit Preset Number
U1: A B C D
User Preset Number:
21
To edit User Preset number, press
A
Turn to select desired number (1 thru 50)
ENTER
New Preset Name
C
o
n
f
i
g
-
SAVE
To confirm User Preset Number, press
ENTER
Edit preset number or press EXIT
Step 2 — Name the Preset
U1: A B C D
Indicates editing
User Preset Number:
o
n
f
i
g
X
press
ENTER
Scroll to desired letter position
press
ENTER
Turn to select desired character
press
ENTER
21
New Preset Name
C
Scroll to New Preset Name
A
SAVE
Indicates “New
Preset Name”
is selected
Up to 21 characters
A-Z/a-z/0-9/
_ / - / space
Press ENTER to edit preset name
Step 3 — Save the Preset
U1: A B C D
When you are finished naming, press
User Preset Number:
21
Scroll to SAVE
New Preset Name
C
o
n
f
i
g
EXIT
X
A
Press
ENTER
To confirm Save, press
ENTER
SAVE
Press ENTER to save preset
HOME > PRESETS > PRESET SAVE > SAVE > ENTER
Use this procedure when you are saving the preset by overwriting the currently active user preset. After you use the SAVE AS feature to save the preset
you are working on, it then becomes the currently active preset, and you can use the SAVE feature to save periodically as you work on the preset.
Step 1 — Overwrite Preset
U1: A B C D
To save, press
SAVE
To exit without saving, press
To confirm the save, press
Press ENTER to save preset
TD-000368-01-A
24
ENTER
EXIT
ENTER
Utilities
HOME > UTILITIES > STATUS > ENTER
Step 1 — Check the amplifier's health
UTILITY - STATUS
Amp Total Run Time:
Temperature (PLD 4.3 & 4.5)
Thermal Limiting starts at 69ºC
Thermal Shutdown at 80ºC
Amp Total Run Time:
HH:MM:SS
22:37:48 Hrs
Hardware: V12
Temperature:
Hardware version
Firmware: V1.0.22
CH1 & CH3: 27C
DC Status: OK
CH2 & CH3: 29C
Firmware version
update thru Amplifier Navigator
VRail 1: 148V
Power Supply: 24C
VRail 2: -150V
DC Status:
VRail 1 = +147VDC +/- 5V typical
VRail 2 = -147VDC +/- 5V typical
HOME > UTILITIES > AMP ID > ENTER
Step 2 — Name the Amplifier
UTILITY - AMP ID
Serial #:
123abc
Amp ID:
my amp ID
Indicates “New
Preset Name”
is selected
Change Amp ID to:
m
y
a
m
p
I
Indicates editing
D
ENTER
Scroll to desired letter position
press
ENTER
Turn to select desired character
press
ENTER
When you are finished, press
Up to 21 characters
A-Z/a-z/0-9/
_ / - / space
CONFIRM
To edit “Change Amp ID to:”, press
EXIT
Scroll to CONFIRM
Press
ENTER
HOME > UTILITIES > PASSWORD > ENTER
The default password for all amplifiers is QSC - all uppercase. The password is case sensitive, can be up to 10 characters long, and contain,
A — Z a — z 0 — 9 _ - space
Step 1 — Add or change the Password
UTILITY - CHANGE PASSWORD
Current Password:
Q
S
To enter “Current Password:”, press
ENTER
With the first letter position selected, press
ENTER
C
Turn to select desired character
New Password:
M
Y
p
a
s
s
w
o
press
ENTER
When you complete the current password,
the “New Password:” is automatically selected
r
Repeat the procedure for the “New Password:”
CONFIRM
Scroll to CONFIRM
Press
ENTER
HOME > UTILITIES > LOCKOUT > ENTER
All controls are locked except the Mute buttons, the front-panel and rear power buttons, the Enter button and Master Control knob to unlock the amplifier.
Step 2 — Enter Password to lock or unlock
With “Enter Password:” selected, press
UTILITY - LOCKOUT
Enter Password:
m
y
p
a
s
s
w
o
With the first letter position selected
press
ENTER
Scroll to desired character
press
ENTER
r
CONFIRM
When you complete the password correctly,
CONFIRM is automatically selected.
To lock or unlock the amplifier, press
TD-000368-01-A
ENTER
25
ENTER
Included Loudspeaker Profiles
QSC Audio
EV
Peavy
AP-5102
ELX112
PR10
AP-5122
ELX115
PR12
AP-5122m FOH
ELX215
PR15
AP-5122m MON
TX2152
PV115
AP-5152
TX2181
PV118
GP118-sw
GP212-sw
PV12M
JBL
PV215
GP218-sw
JRX112M
PVX12
S8T
JRX115
PVX15
S10T
JRX118S
SP218
S12
JRX125
SP4
WL118-sw
MRX515
WL-2102
MRX518S
WL212-sw
MRX525
WL218-sw
MRX528S
Yahama
BR12
BR12M
BR15
PRX415M
B52
C115V
PRX425
LX1515V3
SRX712M
LX18V3
SRX715
MX1515
SRX718S
MX18S
SRX722
S115V
S215V
SM15V
SW218V
SRX725
Cerwin-Vega (CV)
SRX728S
EL-36C
SRX738
TS-42
VRX932LA
TD-000368-01-A
26
Specifications
PLD4.2
PLD4.3
PLD4.5
4 Ch. Continuous1
8
4
2
400 Watts
400 Watts
325 Watts
625 Watts
625 Watts
625 Watts
1150 Watts
1250 Watts
625 Watts
2 Ch. Continuous1
8
4
2
800 Watts
800 Watts
650 Watts
1250 Watts
1200 Watts
1200 Watts
2250 Watts
2250 Watts
2100 Watts
1 Ch. Continuous1
8
4
2
1
1600 Watts
1600 Watts
1600 Watts
1600 Watts
2500 Watts
2500 Watts
2500 Watts
2500 Watts
4200 Watts
4200 Watts
4250 Watts
3700 Watts
Typical Distortion
8
4
0.01 - 0.03%
0.03 - 0.06%
0.01 - 0.03%
0.03 - 0.06%
0.01 - 0.03%
0.03 - 0.06%
Maximum Distortion
4 - 8
1.0%
1.0%
1.0%
20 Hz - 15 kHz +/- 0.2 dB
20 Hz - 20 kHz +0.2 dB / -0.7 dB
20 Hz - 15 kHz +/- 0.2 dB
20 Hz - 20 kHz +0.2 dB / -0.7 dB
20 Hz - 15 kHz +/- 0.2 dB
20 Hz - 20 kHz +0.2 dB / -0.7 dB
-101 dB
-109 dB
-101 dB
-109 dB
-101 dB
-109 dB
Gain (1.2V setting)
34.0 dB
38.4 dB
38.4 dB
Damping factor
>150
>150
>150
Input impedance
>10k, balanced or unbalanced
>10k, balanced or unbalanced
>10k, balanced or unbalanced
Maximum input level
(3.9V setting)
(1.2V setting)
12.28V (+24 dBu)
3.88V (+14 dBu)
12.28V (+24 dBu)
3.88V (+14 dBu)
12.28V (+24 dBu)
3.88V (+14 dBu)
Frequency response (8)
Noise
Unweighted Output Unmuted
Weighted Output Muted
Controls and indicators (front)
Power • Channel MUTE Buttons • Channel SELECT Buttons • Channel Input Signal and CLIP LED Indicators • Channel Output and
LIMIT LED Meters • HOME, ENTER, EXIT, GAIN Navigation Buttons • Control Knob
Controls and indicators (rear)
AC Power Disconnect
AC Power Disconnect
AC Power Disconnect
Input connectors
Female XLR
Female XLR
Female XLR
Output connectors
NL4
NL4
NL4
Amplifier and load protection
Short circuit, open circuit, thermal, RF protection. On/Off muting, DC fault shutdown, active inrush limiting, input current limiting
AC Power Input
Universal Power Supply 100 - 240 VAC, 50 - 60 Hz
Dimensions (HWD)
3.5” x 19” x 12” (89 x 482 x 305 mm)
3.5” x 19” x 16” (89 x 482 x 406 mm)
3.5” x 19” x 16” (89 x 482mm x 406mm)
Weight, Net / Shipping
18.5 lb (8.4 kg) / 22 lb (10.0 kg)
21.0 lb (9.5 kg) / 25 lb (11.3 kg)
22.0 lb (10.0 kg) / 26 lb (11.8 kg)
1 - 1.0 kHz sine wave, 1% THD, 1 channel driven
TD-000368-01-A
27
Heat Loss Charts
BTU/hr
kcal/hr
Idle
PLD 4.3
225
57
PLD 4.5
286
72
Load per Channel
8Ω
BTU/hr
4Ω
kcal/hr
BTU/hr
2Ω
kcal/hr
BTU/hr
kcal/hr
1/8th Power
PLD 4.3
684
172
794
200
1040
262
PLD 4.5
811
204
1144
288
1124
283
PLD 4.3
983
248
1261
318
1869
470.988
PLD 4.5
881
222
1708
430
1737
438
PLD 4.3
2498
629
2925
737
4198
1058
PLD 4.5
3116
785
5318
1340
4208
1060
1/3rd Power
Full Power
Idle
Thermal loss at idle or with very low signal level.
1/8 Power
Thermal loss at 1/8 of full power is measured with pink noise. It approximates operating with music or voice with light clipping and represents the
amplifier's typical "clean" maximum level, without audible clipping. Use these figures for typical maximum level operation.
1/3 Power
Thermal loss at 1/3 of full power is measured with pink noise. It approximates operating with music or voice with very heavy clipping and a very
compressed dynamic range.
Full Power
Thermal loss at full power is measured with a 1 kHz sine wave. However, it does not represent any real-world operating condition.
NOTE:
TD-000368-01-A
Specifications are subject to change without notice.
28
Mailing Address:
QSC Audio Products, LLC
1675 MacArthur Boulevard
Costa Mesa, CA 92626-1468 USA
Telephone Numbers:
Main Number: (714) 754-6175
Sales & Marketing: (714) 957-7100 or toll free (USA only) (800) 854-4079
Customer Service: (714) 957-7150 or toll free (USA only) (800) 772-2834
Facsimile Numbers:
Sales & Marketing FAX: (714) 754-6174
Customer Service FAX: (714) 754-6173
World Wide Web:
www.qsc.com
E-mail:
[email protected]
[email protected]
© 2013 QSC Audio Products, LLC. All rights reserved. QSC and the QSC logo are registered trademarks of QSC Audio
Products, LLC in the U.S. Patent and Trademark office and other countries.
All other trademarks are the property of their respective owners.
http://patents.qsc.com.

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