Precision_Power_Sedona iQX Series Amplifiers

Precision_Power_Sedona iQX Series Amplifiers
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PrecisionPower
Absolutely State of the Art Mobile Audion
4829 South 38th Street
Phoenix, Arizona
85040-2964 USA
1-800-62-POWER
PrecisionPower
Absolutely State of the Art Mobile Audio.
Owner's Manual
Sedona Series 50Q / 100iQX
200iQX / 500iQX / 430iQX / 460
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Designed and Handcrafted in the USA
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CONGRATULATIONS AND THANK YOU for your choice of a
PrecisionPower, Inc. high performance mobile audio amplifier. PPI is
proud to be a world leader specializing in the design, engineering,
and manufacture of “State of the Art” mobile audio electronics. Our
| success is derived from the fact that we do not incorporate gadgets
| or passing fads into our products. Sound engineering practice,
combined with deceptively simple yet highly effective circuit designs,
characterize every PPI product. Yet our demand for maximum value
dictates every ounce of fat be trimmed if it does not contribute to
sound quality or reliability. This is why PrecisionPower products have
consistently enjoyed an unparalleled reputation for sound value. We
are sure your new Sedona iQX amplifier will provide you with years
of listening pleasure.
85-2000-7205 rev C
@ Printed on Recycled Paper.
Important Safeguards
The following list of ‘Important Safeguards’ has been compiled to help you achieve optimum
satisfaction and the highest quality performance from your new mobile audio amplifier. Please
take the time to review these safeguards before operation and/or installation of your
new Sedona amplifier.
Read Instructions
We all have a tendency to read instructions only after something doesn't work as anticipated.
This manual provides specific information concerning the operation and installation of your new
amplifier. Please read this manual thoroughly and retain it for future reference.
Keep Your Sales Receipt
Your PPI amplifier has a three-year limited warranty when it is installed by an Authorized PPI
dealer. Non authorized dealer installed (PPI) amplifiers carry a one-year parts / ninety days
labor limited warranty. To establish the starting date of warranty coverage, a copy of your sales
receipt must accompany your amplifier for all warranty service. Please file your sales receipt
away for future reference. For your convenience, a complete limited warranty statement is
located at the back of this manual.
Follow Instructions
All use and installation instructions should be followed to assure proper operation of your new с
Sedona amplifier.
Heed All Wiring Requirements
A high-performance amplifier requires minimum wire gauges be used for the Power, Ground,
Remote Turn-On, and Speaker cables. To assure proper operation of your Sedona amplifier,
follow all wiring requirements. -
Heed all Fusing Requirements
The fusing requirements of your Sedona amplifier have been established for its continued safe
operation. Replacement with a higher value fuse may result in damage and voiding of warranty.
Installation Accessories
Sedona amplifiers will require non-supplied installation accessories. Please refer to the
Installation Section of this manual for a list of requirements or consult your Authorized PPI
dealer before installation.
Water and Moisture
Never mount your Sedona amplifier in a location which would subject it to immersion
or exposure to water.
Servicing ~
Do not attempt to service this amplifier yourself. Opening or removing covers will void your
warranty. For service information, consult your Authorized PPI dealer or call
PrecisionPower, Inc. at 1-800-62-POWER. Our customer service representatives are
available Monday through Friday from 8am to 6pm Mountain Standard Time.
Caution!
No user serviceable parts inside.
WARRANTY VOID IF SEAL IS BROKEN.
Operation oi PrecisionPaurer amplifiers without .
ОЕ пла bottom cover will result in ampiifier ailure! 727”
Caution!
The use of a high powered audio system may cause hearing loss or damage. While
PPI systems are capable of “Concert level” volumes with incredible accuracy, they
are designed for you to enjoy the subtleties created by musicians while listening at
reasonable sound pressure levels. The use of a high powered audio system may
impalr your ability to hear traffic sounds and, therefore, may constitute a traffic
hazard. We advise lower volume levels while driving.
Table of Contents
Features
500
100iQX and 200iQX
500iQX
430iQX / 460iQX
Specifications
50Q, 100iQX, 200iQX, and 500iQX
430iQX and 460iQX
Glossary of Terms
Installation
Adjusting the Internal Crossover
Changing the Crossover Frequency
QBass Adjustment
System Tuning
Troubleshooting
System Designs
Limited Warranty
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10
11
15
19
20
20
21
22
26
Sedona 50Q Features
Bass Boost
Equalization Adjustment
Power LED N
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Bass EQ Adjust
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Left RCA Input Right RCA Input
Input Gain
POWER e
Power Fuse
Speaker Connections
+12Volts/Remote/-Ground
50Q Front / Rear End Plates
MOSFET switching Power Supply
Ultra-wide Bandwidth Circuitry
QBass Adjustment
Gold RCA Input Connectors
Output Short Circuit Protection with Diagnostic LED
Low Impedance Protection
Thermal Protection
Soft Start
Adjustable Input Sensitivity
Three-Year Warranty
Manufactured In The U.S.A.
Power LED”
—
100iQX & 200iQX Features
Amp Crossover On/Off Crossover Frequency SIP
Bass Boost
RCA Inputs Crossover Mode Switch Equalization Adjustment
X-OVER ы |
Y oureur EEREZERED К
FREQUENCY SELECT Q
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Input Gain 7 Outputs
Power Fuse +12Volts/Remote/-Ground
+12Y / REM / GND
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Speaker Connections
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о SPEAKER
OUTPUT
100iQX / 200iQX Front / Rear End Plates
MOSFET Switching Power Supply
Ultra-wide Bandwidth Circuitry
QBass Adjustment
Gold RCA Input Connectors
Output Short Circuit Protection with Diagnostic LED
Low Impedance Protection
Thermal Protection
Soft Start
Adjustable Input Sensitivity
Adjustable Two-Way Electronic Crossover
Gold RCA Crossover Output Connectors
Three-Year Warranty
Manufactured In The U.S.A.
500iQX Features
‘RCA Inputs Amp Crossover On/Off Crossover Frequency SIP
Bass Boost
-Equalization Adjustment
Crossover Mode Switch
X-OVER =
OUTPUT
FREQUENCY SELECT
S El LEFY ©) 8053 60 aqu
x X-OvER
Power LED” 4 © Î OUT + OFF m LOW -
RIGHT
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Input Gain RCA Outputs
Speaker Connections Power Fuse +12 Volts/Remote/Ground
/
PUNA
500iQX Front / Rear End Plates
MOSFET Switching Power Supply
Ultra-wide Bandwidth Circuitry
QBass Adjustment
Gold RCA Input Connectors
Output Short Circuit Protection with Diagnostic LED
Low Impedance Protection
Thermal Protection
Soft Start
Adjustable Input Sensitivity
Adjustable Two-Way Electronic Crossover
Gold RCA Crossover Output Connectors
Three-Year Warranty
Manufactured In The U.S.A.
430iQX & 460iQX Features
Crossover | Crossover 1 In-HighPass
Frequency SIP Qut-LowPass
: ‚ crossover 1 & 2 / Out-HighPass
Power LED | Input oy 22 Crossover Output
> n-combines input In-HighPass / Out-LowPass .
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\ a, ue Xx: ROVER e —- FREQUENCY ELECT |}
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LEFT O © 5 X pe À
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— Bass Boost Equalizer Adjustment
Rear Input Gain
Front Input Gain |
RCA Inputs 1 ARCA Inputs 2 RCA Outputs
Crossover 2 In-combines
Speaker Connections Power Fuse +12 Volts/Remote/Ground
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+12V / REM / GND 9 |
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3 SPEAKER
OUTPUTS
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A OUTPUT 1 9 E | ,
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430iQX / 460iQX Front / Rear End Plates
MOSFET Switching Power Supply
Ultra-wide Bandwidth Circuitry
QBass Adjustment
Gold RCA Input Connectors
Output Short Circuit Protection with Diagnostic LED
Low Impedance Protection
Thermal Protection
Soft Start
Adjustable Input Sensitivity
Two Adjustable Two-Way Electronic Crossovers
Gold RCA Crossover Output Connectors
Three-Year Warranty
Manufactured In The U.S.A.
Specifications ‘Specifications
Sedona Two-Channel Amplifiers Sedona Four-Channel Amplifiers
Model 50Q 100iQX 200iQX 500iQX Model | 430iQX 460iQX
Continuous Output Power (9 14.4 Volts Continuous Output Power @ 14.4 Volts
Watts per Channel @ 4 Ohms 25 Watts 50 Watts 100 Watts 250 Watts Watts per Channel @ 4 Ohms 30 Watts 60 Watts
Watts per Channel @ 2 Ohms 45 Watts 90 Watts 165 Watts 350 Watts .- Watts per Channel @ 2 Ohms 50 Watts - 100 Watts
Bridged Mono Output @ 4 Ohms 90 Waits 180 Watts 330 Watts 700 Watts ВЫ Bridged Mono Output ( Watts x 2 Ch ) @ 4 Ohms 100 Watts 200 Watts
Power Bandwidth 10Hz to 50kHz 10Hzto 50kKHz 10Hzto 50kHz 10Hz to 50kHz и Power Bandwidth 10 Hz to 50 kHz 10 Hz to 50 kHz
Distortion (THD) 0.08% 0.08% 0.08% 0.08% Distortion (THD) 0.08% 0.08%
Signal-To-Noise Ratio > 96 dB > 96 dB > 96 dB > 96 dB Signal-To-Noise Ratio > 96 dB >96 dB
Damping Factor >200 >200 >200 >200 Damping Factor >200 >200
Stereo Separation >72 dB >/2 dB >72 dB >72 dB | Stereo Separation >72 dB >72 dB
Input Sensitivity 0.01-2.0V 0.01-20V 0.01 , 2.0V 0.01-2.0V Input Sensitivity 0.01-2.0V 0.01-2.0V
Input Impedance 10 kOhms 10 kOhms 10 kOhms 10 kOhms | Input Impedance 10 kOhms 10 kOhms
Load Impedance 2 - 8 Ohms 2 - 8 Ohms 2 - 8 Ohms 2 - 8 Ohms Load Impedance 2 - 8 Ohms 2-80hms
Load Impedance (Bridged) ~~ 4 - 8 Ohms 4 - 8 Ohms 4 - 8 Ohms 4 - 8 Ohms Load Impedance (Bridged) 4 - 8 Ohms 4 - 8 Ohms
Crossover a No Yes Yes Yes Two Crossovers Yes Yes
Supplied Crossover Frequency NA 90 Hz 90 Hz S0Hz .. / Supplied Crossover Frequency 90 Hz 90 Hz
Available Crossover Frequencies NA 20Hzto9kHz 20Hzto9kHz 20 Hzto 9 kHz Available Crossover Frequencies 20 Hz to 9 kHz 20 Hz to 9 kHz
QBASS / +12dB (0 40Hz Yes Yes Yes Yes — QBASS / +120B @ 40Hz Yes Yes
RCA Crossover Outputs No Yes Yes Yes RCA Crossover Outputs Yes Yes
Supply Voltage 14.4 Volts 14.4 Volts 14.4 Volts 14.4 Volts Supply Voltage 14.4 Volts 14.4 Volts
Fuse 10 Amp 20 Amp 35 Amp 80 Amp Fuse 20 Amp 40 Amp
Dimensions (inches) 2x82x54 2x82x74 2х 8.2 х 8.9 2х 8.2 x 24 Dimensions (inches) 2x82x10 2x82x125
Glossary
The following terms are used in this manual. Since they may be unfamiliar, the
following definitions are provided.
Bridging Combining two amplifier channels into one channel. Typically
used to create a mono output.
Gain The ratio of output voltage to input voltage. The gain control
allows adjustment to the amplifier's output level for varying
input levels.
L.E.D. Light Emitting Diode. Indicates power on / off.
Load Impedance Measurement of speaker(s) resistance / reactance that the
amplifier must drive.
Mixed Mono The amplifier's ability to play the Left and Right Stereo channels
while playing a third (bridged) mono channel.
Remote Turn-On Low current automatic switching circuit that turns the amplifier
| on and off. Typically connected to the remote antenna or amp
turn-on lead of most car radios, cassettes, or CD players.
Low-Pass Filter An electronic circuit which blocks frequencies above a pre-
determined frequency. Frequencies below the cutoff are
passed without effect.
High-Pass Filter An electronic circuit which blocks frequencies below a pre-
determined frequency. Frequencies above the cutoff are
passed without effect.
“SIP” Single In-line Package. This refers to the plug-in resistor
module that sets the crossover frequency for the 100iQX,
200iQX, 500iQX, 430iQX, and 460iQX.
. GBASS |
or A variable gain adjustment which boosts the preset 40Hz
BassBoost frequency up to 12dB.
10
Installation
PRIOR TO INSTALLATION of your new Sedona ¡QX amplifier, it is important to
consider the following: In your profession, your abilities and expertise insure a job
well done. Trained professional car audio installers are no different. It's their chosen
profession and what they do best. PPI believes so strongly in its responsibility to
you, that we invest heavily in the hands-on training of professional installers. Qur
comprehensive system design / installation seminar provides our authorized dealers
With the latest techniques to deal with the complexities of car audio today. There is
more than meets the eye to insure that a car stereo reaches its fullest potential. The
trained professional, through experience, can approach, recognize, and address all
the needs of the mobile audio environment. PPI highly recommends that this amplifier
and/or any other mobile audio equipment be installed by a trained professional.
Tools / Parts Needed for Installation (not supplied):
Small flat blade screwdriver Phillips screwdriver
Wire cutters Wire strippers
Soldering iron Solder
Flux cleaner 5 washers. 4 #6 and 1 #8 sheet metal screws
1 - ring connector 3 Spade Connectors
Speaker wire — 16 gauge or larger Power and Ground wire — 12 gauge or larger
Heat shrink Grommets
Silicone or similar material In-line fuse holder and fuse
Mounting
To prevent damage to the amplifier while driving, mount it in a secure place.
Choosing the appropriate location will depend upon your vehicle and the complexity
of your system design. It may be mounted in any compatible space that is convenient
to your needs and provides sufficient airflow. Adequate ventilation allows the amplifier
to dissipate the heat that develops during operation. Inadequate ventilation may result
in overheating. The thermal protection circuit will shut the amplifier off when the
heatsink temperature reaches 75 degrees Celsius. The amplifier will automatically
return to operation once the heatsink cools.
Typical mounting locations include: trunk and passenger compartment (floor or
seat). Never mount the amplifier in a location which would subject it to immersion or
exposure to water.
11
The PrecisionPower Sedona heatsink is designed for high-efficiency cooling, but
improper mounting may compromise its ability to cool. When mounting the amplifier
in a confined space (i.e. under seat), care must be taken to ensure that at least two
inches’ of clearance is provided around the amplifier. If the amplifier is located in an
area which has restricted air-flow or is totally enclosed, a fan may be used to
improve air circulation.
+12 Volts / Remote / -Ground
Sedona 50Q/ 100iQX / 200iQX / 500iQX / 430iQX / 460iQX
Power / Remote-Turn on / Ground Connector
Power, Remote Turn-On, and Ground
Before beginning, disconnect the negative (-) terminal of the battery prior to
working on the positive terminal to prevent a short to ground. Reconnect the
negative terminal only after all connections have been made.
Sedona ¡QX amplifiers are designed to operate from a car's (+) positive 12 volt,
negative ground electrical system. The power and ground cables should be a
minimum of 12 gauge. Depending upon the complexity of your system, larger
gauge wire may be needed.
The main power cable should run from the amplifier location, through the vehicle to
the battery, avoiding sharp corners, creases, and sharp body parts. When passing
through any metal wall (i.e. fire wall etc.), a grommet must be used to prevent the
wire from chafing and shorting to ground. For safety reasons, PPI recommends that
the power cable be fused at the positive terminal of the battery. If this fuse is not
installed, and the power wire shorts to ground (between the battery and the amplifier),
a fire can result. The fuse at the battery should be of the same value as the chassis
fuse located on the rear endplate of the amplifier. Consult your Authorized PPI
Dealer for an appropriate in-line fuse holder that meets the needs of your installation.
We suggest crimping and soldering all wire connections. Insulate the connection with
E
heat shrink to prevent a short to ground.
- The ground wire should be of the same gauge as the power wire. As a ‘rule of thumb’,
use as short a length of wire as possible. Locate an area near the amplifier that is
metal (the floor is ideal) and clean an area about the size of a quarter to bare metal.
Drill a pilot hole in the middle of this area. Be Careful! Inspect the area underneath to
be sure you aren't drilling into wires, brake or fuel lines, etc. Terminate the wire with a
ring connector and attach it to the bare metal using a # 8 sheet metal screw and
washer (not supplied). We suggest crimping and soldering this connection. Insulate
the connection with heat shrink. It is important that this connection be solid. After the
connection is complete, coat the area with silicone or some similar material to
prevent rust from developing.
12
once y am nave fi a both the power and ground wires, it's time to connect the cable
negative pil ie e sure that you have not reconnected the ground cable to the
nid pos ‚9 the battery. Cut off excess wire and terminate the wire with a
connection ond A e suggest crimping and soldering this connection. Insulate the
я eat shrink. Locate the Power/Remote/Ground terminal strip on
e rear endplate. With a small flat bladed or Phillios head screw driver, loosen the
terminal screws. Insert each wire and
: secure it by tightenin ,
Be sure each connection is tight. 7 9 the associated screw.
Remote Turn-On |
In order for the amplifier to turn on, a remote turn-on wire must be connected to
a switched 12 volt source. Typically, the source unit provides a power antenna
(remote) turn-on lead which will turn on the amplifier when the source unit i
activated. If this is unavailable, a switched 12 volt source must be used 3
ck 2 wire rom the amplifier location through the vehicle to the switched 12
м Ce. Ubserve the same precautions for routing this cable that you followed
r running the power cable. Cut off excess wire and terminate the wire with a
20а e connector. We suggest crimping and soldering this connection. Insulate
e connection with heat shrink. It is important that this connection be solid
With a flat bladed or Phillips head screw driver, loosen the terminal screw on
the barrier strip. Insert the spade connector into the appropriate location and
Secure it by tightening the associated screw. Be sure the connection is tight
Left Channel + Left Channel - Right Channel - Right Channel +
Speaker Connection
A the speaker wires from the amplifier location through the vehicle to the speakers
poserve the same precautions for routing these wires that you followed for running
e power and remote turn-on cables. It is important to use 16 gauge or larger wire
for proper signal transfer. Cut off excess wire and terminate the wire with a spade
connector. We suggest crimping and soldering this connection. Insulate the connec-
tion with heat shrink. Locate the speaker terminal strip on your iQX amplifier
Loosen the screws on the connector. Insert the speaker leads, one at a time into
the appropriate screw on the terminal strip. Check to make sure you've maintained
proper polarity before securing each wire. Be sure the connection is tight.
13
Left Channel +
Left Channel -
Right Channel -
Right Channel +
Output 2
Output 1
Left Channel +
Left Channel -
Right Channel -
Right Channel +
Bridging
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Вона, а
All Sedona iQX amplifiers are capable of being bridged into a mono output due to
the internal design of the amplifier. This feature permits the creation of a mono
channel for a subwoofer or center channel. Also, bridging adds flexibility of opera-
tion. Any of the Sedona iQX two-channel amplifiers can be used in a one channel
(mono), two channels stereo, or 3 channels — 2 channels stereo and one channel
mono configuration. The Sedona iQX four-channel amplifiers can be used as 2 mono
channels, 3 channels — 2 channels stereo and one channel mono, 4 channels — 2
channels front and rear, 5 channels — 4 channels stereo and one channel mono, or 6
channels — 4 channels stereo and 2 channels mono.
Deriving the mono channel is accomplished by using the left channel positive
wire as the positive speaker wire and the right channel negative wire as the
negative speaker wire. It is important that a minimum 4 Ohm impedance is
observed.
The ability to run stereo satellites while simultaneously running a mono output
from the same output stage is accomplished simply by running the stereo speakers
normally and tapping into the appropriate wires for the ‘Mixed Mono" channel (left
channel positive wire as the positive speaker wire and the right channel negative
wire as the negative speaker wire). Again, speaker impedance should not be lower
than 2 Ohms on the stereo channels and 4 Ohms on the mono channel.
Inputs
On the front end plate of the 50Q, 100iQX, 200iQX, and 500iQX are a set of RCA
iow-level signal input jacks. The 430iQX and 460iQX have 4 RCA inputs which are
labeled Input 1 and Input 2. Connect a source unit (head unit, equalizer, crossover,
etc.) to these inputs.
It is important to note that the input signal on the 100iQX, 200iQX, 500iQX, 430iQX,
and 460iQX may be routed through the amplifiers internal crossover. Engaging the
internal crossover is accomplished by using the switches located next to the RCAs
on the endplate. Refer to the section labeled Adjusting the Internal Crossover for
more detailed information.
14
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Gain Control
On the front end plate, next to the inputs, is the gain control. It can be adjusted
using a small flat blade screwdriver. Upon installation of the amplifier, the gain
control must be adjusted .This can be done by first turning the gain all the way
down (counter clockwise). Turn the volume on the source unit up two thirds. Then
adjust the gain control until the desired volume is obtained without audible distor-
tion.
Adjusting the Internal Crossover
The 100iQX, 200iQX, 500iQX, 430iQX, and 460iQX have integrated two-way
electronic crossovers. The integrated crossover allows the 100iQX, 200iQX, &
500iQX to be operated in three modes: 2 channels full-range, 2 channels high-
pass, or 2 channels low-pass. The 430iQX and 460iQX may, also, be operated in
three modes: 2 channels high-pass / 2 channels low-pass, 4 channels high-pass
or 4 channels low-pass with Bass Boost. Integral to the design of these five ampli-
fiers is a set of RCA line level outputs. These outputs are always active and avail-
able to send either a low-pass with variable bass boost signal or high-pass signal
(100iQX, 200iQX, & 500iQX). High-pass or low-pass without QBass to another
amplitier (430iQX / 460iQX). Changing the two SIP values in a Sedona four chan-
nel amp to 20Hz, will allow the amplifier to be played in full range.
The crossover features 12 dB per octave slopes and is shipped with a 90 Hz
crossover SIP installed. The crossover frequency may be changed by removing
and replacing the resistor ‘SIP’ found on the front end plate. The crossover resistor
SIPs’ are available (from your authorized PrecisionPower dealer) in the following
frequencies: 20 Hz, 30 Hz, 60 Hz, 70 Hz, 90 Hz, 110 Hz, 130 Hz, 160 Hz, 190 Hz,
230 Hz, 320 Hz, 390 Hz, 590 Hz, 880 Hz, 1300 Hz, 1600 Hz, 2700 Hz, 3200 Hz,
4000 Hz, 5300 Hz, 6000 Hz, and 9000 Hz.
Operation / Set-Up of the internal crossover in the Sedona two-channel iQX amplifiers
differs from that of the four-channel iQX amplifiers, and we have divided this section to
address each. product group separately. Please refer to the appropriate section for
your particular amplifier.
100iQX, 200iQX, and 500iQX
As previously mentioned, the two-channel Sedona iQX amplifiers offer three
modes of operation: 2 channels full-range, 2 channels high-pass, or 2 channels
low-pass with adjustable bass boost. The two buttons labeled: X Over (On/Off)
and X Over (High/Low), located on the front end plate, control the operation of
the internal crossover. In the 'Off' (out) position, the input signal bypasses the
internal crossover and the amplifier's output is full-range. When this switch is in
the ‘On’ (in) position, the input signal passes through the internal crossover,
and the X Over (High/Low) switch determines if the amplifier will produce a
high-pass or low-pass output.
15
The RCA outputs are connected to the internal crossover and are always
active. Their signal (high-pass or low-pass) is controlled by the X Over (High/Low)
switch. It is important to note that the signal available at the RCA outputs is
always opposite of that set for the internal amplifier when the crossover switch
is on. For example: If the X Over (High/Low) switch is set to High, the amplifier will
produce a high-pass signal and the RCA outputs will deliver a low-pass signal.
Conversely, if the X Over (High/Low) switch is set to Low, the amplifier will produce
a low-pass signal, and the RCA outputs will deliver a high-pass signal.
Please Note: When the 100iQX, 200iQX, or 500iQX are set to operate in the
full-range mode (X Over (On/Off) switch in the Out position), the RCA outputs
can deliver either a low-pass or high-pass signal depending upon the position of
the X Over (High/Low) switch.
o | X-Over
Input BASS - LowPass>
HighPass
X-OVER HP/LP Switch
LineQut
out
X-OVER On/Off Switch
in
in
Power
— tput
Stage Outpu
out
100iQX, 200iQX, & 500iQX Signal Flow Chart (one channel shown)
The following chart represents the various modes of operation and the associated
crossover switch positions for the 100iQX, 200iQX, and 500iQX. We suggest that
you refer to this chart prior to setting up your system.
100iQX, 200iQX, & 500iQX Modes of Operation
X-OVER Switches O ut p uv t
1 On/Off High/Low - QuiPut Lin RCA
OUT OUT Full-Range w/Bass Boost High-Pass
IN OUT Low-Pass w/Bass Boost High-Pass
OUT IN Full-Range w/Bass Boost Low-Pass w/Bass Boost
IN IN High-Pass Low-Pass w/Bass Boost
16
430iQX & 460iQX
The 430iQX and 460iQX may be configured in many ways. Some examples are
channels high-pass and 2 channels low-pass, 4 channels high-pass, 4 channels I
pass (for dual-bridged subwoofer use), etc. Refer to the modes of operation chart
a complete list of options. The two buttons labeled: X Over 1 and X Over 2 loca;
on the front end plate control the operation of the internal crossovers. The Input (
Combined) button selects whether a single pair (left and right) of RCA cables will
used (button "in"), or two sets (a front pair and a rear pair) will be used (button "out
Note: Whenever Front to Rear fade capability is required, be sure that the Input
(In-Combined) and X Over 2 buttons are in the "out" position.
The X-Over 1(in-HP/Out-LP) button selects whether the high-pass or low-pass sigr
from X-Over 1 will be available at output 1. With the button “in” the high-pass sig:
will be sent to output 1 and no bass EQ will be utilized, With the button in the “o
~ position, the low-pass signal will be sent to output 1 and the Bass Boost control c
be utilized.
The X-Over 2 (in-Combine X-Overs/ out-HP) button selects whether Output 2
provided with a signal from X-Over 1, or X-Over 2. With the button pushed "in", t
signal from X-Over 1 (high-pass or low-pass) is sent directly to Output 2 allowing
single pair of RCA cables to drive all of the amplifiers outputs. With the button in |
‘out’, the high-pass output of X-Over 2 is available at Output 2.
Note: By having the X-Over 2 button in the "out" position , different crossover poir
can be selected for the front and rear channels. By setting X-Over 1 to one frequer.
and X-Over 2 to a different frequency, output 1 will reproduce high-pass frequenc:
selected by X-Over 1, and Output 2 will reproduce high-pass frequencies select
by X-Over 2. - |
The X-Over Output (In-HP/Out-LP) button selects whether the high-pass or low-pa
output from X-Over 1 will be made available at the RCA outputs. Pushing the butt
to the "in" position will provide a high-pass signal, and pushing the button to the “ot
position will provide a low-pass signal with no bass boost.
The following Signal Flow Chart and Modes of Operation matrix represent the vario
configurations and associated button positions for the 430iQX and 460iQX. We su
gest you refer.to these charts prior to setting up your system.
430iQX and 460iQX Signal Flow Chart (one channel shown)
X-OVER Output
X-Over 1 ‚
Input 1 HighP я:
a me P
\ LowPass Stage Output 1
out
Q
BASS
bin X-Over 2
Input 2 > HighPass» — Power Output 2
out out Stage
rm
17
Changing the Crossover Frequency
The 100iQX, 200iQX, 500iQX, 430iQX,and 460iQX are shipped from the factory with
a 90 Hz Crossover Frequency Module (CFM) installed. To change this frequency
module (SIP), simply remove the resistor 'SIP', located on the front end plate.
Replace it with the appropriate 'SIP' value to achieve the desired frequency.
Note: Changing the two SIP values in a Sedona four channel amp to 20Hz, will
allow the amplifier to be played in full range. :
The following chart details PPI's CFM part number, 'SIP' value, and the associated
using Input 1 (combine switch) and X-OVER 2 |
SIP Value / Frequency
8x - 2 - 563
The last three digits indicate the value of the
SIP. Reference these numbers to the chart
below to determine the frequency.
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$ | $ y frequency value. Please refer to this chart before setting up your system.
d IT 38 PPI Part # | SIP Value Frequency
| СЕМ.0020 564 20 Hz
а CFM.0030 334 30 Hz
CFM.0060 184 60 Hz
O CFM.0070 154 70 HZ
=. ‚СЕМ.0090 124 90 Hz
u CFM.0110 104 110 Hz
= г CFM.0130 823 130 Hz
b Я CFM.0160 683 160 Hz
x = 8 | CFM.0190 563 190 Hz
| CFM.0230 473 230 Hz
CFM.0320 333 320 Hz
CFM.0390 273 390 Hz
CFM.0590 183 590 Hz
CFM.0880 123 880 Hz
CFM.1300 822 1300 Hz
| CFM.1600 682 1600 Hz
| CFM.2700 392 2700 Hz
| CFM.3200 332 3200 HZ
| CFM.4000 272 4000 Hz
; CFM.5300 202 5300 Hz
; CFM.6000 182 6000 Hz
CFM.9000 122
19
9000 Hz
QBass Adjustments
PrecisionPower Sedona Series iQX amplifiers now include a Bass EQ
Adjust potentiometer on the end plate of your new amplifier. This control
provides up to 12dB of boost at 40 Hz. Using a flat blade screw driver, turn
the Bass EQ Adjust potentiometer clockwise to increase the boost and/or
counterclockwise to decrease the boost.
System Tuning
In order to achieve maximum signal-to-noise performance from a high quality
mobile sound system, it is desirable to use high signal levels wherever possible in
the interconnection cables. High signal levels will reduce the effect of induced
noise. The peak level of an audio signal is usually determined by the clipping level
of electronic components. The following procedure should be used as a guide
when the system installation is complete.
Adjusting Equalizer Input Gains:
Turn the equalizer's volume control to minimum.
Turn the source unit volume 1/2 to 3/4 of maximum. If available on your
unit, set the output level to maximum. Some units may have a switch.
If available, set selector switch to either input 1 or input 2.
Adjust all equalizer input gains to minimum.
For the chosen input, play the respective music source. A loud music
passage is desired. |
For the chosen input, increase the left input gain control until the onset of
audible distortion. Then decrease the gain prior to the immediate point of
audible distortion. This setting will minimize system background noise and
prevents overloading of the equalizer. Adjust, for the same input, the right
input gain control for proper left / right balance.
7. Set selector switch to the alternative source unit, if used, and repeat steps
5 and 6.
8. Adjust crossover next.
SRL N=
5
Adjusting Crossover Input Gains:
Adjust all crossover gain controls to 0 dB, 1/2 of maximum sensitivity.
Adjust all amplifier gains to 1/2 of maximum sensitivity.
Turn the volume knob on the equalizer to a maximum of 3 o'clock.
Increase the gain of the crossover until the onset of audible distortion. Then.
decrease the gain prior to the immediate point of audible distortion. This
setting will minimize system background noise and prevents overloading of
the crossover. |
Repeat step 4 for any remaining crossovers in the system.
Adjust the input gains next.
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NOTE: Ín many multi-crossover/accessory systems, the gain of some
crossover and accessories may need to be further decreased to achieve
proportional balance.
20
Adjusting the Amplifier's Input Gain:
1. Adjust the amplifier's input gain to 1/2 maximum sensitivity. |
2 Turn the volume knob on the source unit to a maximum of 3 o'clock. |
3. Increase the gain (clockwise) until the onset of audible distortion. Then
decrease the gain counterclockwise prior to the immediate point of audible
distortion. This setting will minimize system background noise and prevents
overloading of the amplifier.
4. Repeat step 3 for any remaining amplifiers in the system.
NOTE: Depending on the sensitivity of the system's preamp (s), the gain of
the amplifier (s) may not need adjustments. Also, in many multi-amplifier
systems, the gain of some amplifiers may need to be further decreased to
achieve proportional balance. |
Troubleshooting
If for some reason your system fails to operate properly, please refer to this guide. If
you are unable to resolve the problem, consult your Authorized PPI Dealer or call
1-800-62-POWER.
‘NO SOUND
Is the power LED illuminated?
Check fuses in power wire.
Be sure turn-on lead is connected.
NO SOUND IN
ONE CHANNEL
Check speaker leads and inspect for a short to ground or
an open connection.
Check pre-amp leads. Reverse left and right leads to see
if the problem is before the amplifier.
Check Mono Bridge and Bi-Amp crossover switches on
other units prior to the amp.
If the problem is in the amp, have your PPI Dealer
inspect the unit.
AMP TURNING OFF
Is the amp able to cool properly?
Check speakers for shorts or damage.
Make sure power and ground are secure.
Locate proper ground potential with a meter.
Have PPI Dealer inspect amp.
21
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