PRO-SUB12A Professional Active Subwoofer
PREMIUMAUDIOVIDEOANDPOWERPRODUCTS
PRO-SUB12A
Professional Active Subwoofer
Owners Manual
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IMPORTANT NOTE: THIS OWNER'S MANUAL IS PROVIDED AS AN
INSTALLATION AND OPERATING AID. FACTOR ELECTRONICS DOES NOT
ASSUME ANY RESPONSIBILITY AS TO ITS ACCURACY AND SHALL NOT BE
LIABLE IN TORT OR CONTRACT FOR ANY DIRECT, CONSEQUENTIAL OR
INCIDENTAL LOSS OR DAMAGE ARISING FROM THE INSTALLATION, USE OR
INABILITY TO USE THIS PRODUCT.
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WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT
EXPOSE THIS APPLIANCE TO WATER, RAIN OR MOISTURE. THIS APPLIANCE
SHOULD NOT DAMPENED BY WATER DROPS OR SPLASHING. CONTAINERS OF
LIQUID SUCH AS VASES SHOULD NOT BE PLACED ON THIS APPLIANCE.
Immediately upon receipt, inspect the unit and shipping container for indications of improper
handling or in-transit damage. This equipment was carefully inspected and tested before
leaving the factory. Notify the Transportation Company, Wholesaler or Retailer immediately if
any damage is found. Be sure to save the carton and packing material as evidence of damage
for later inspection. DO NOT SHIP the unit back to the factory unless authorized to do so by the
factory. IN TRANSIT DAMAGES ARE NOT COVERED BY THE WARRANTY. DO NOT INSTALL OR
ATTEMPT TO OPERATE THIS UNIT IF IT HAS BEEN DAMAGED.
IMPORTANT SAFETY INSTRUCTIONS
• Read and keep these instructions.
• Heed all warnings and follow all instructions contained within this manual.
• Do not use this unit near water.
• Clean only with dry cloth.
• Do not block any ventilation openings. 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 when the 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.
• Operate the product only with the voltage specified on the unit. Fire and/or electric shock
may result if a higher voltage is used.
• Do not modify, kink, or cut the power cord. Do not place the power cord in close proximity to
heaters and do not place heavy objects on the power cord and/or the product itself, doing so
may result in fire or electrical shock.
• Replace the protective cover over the speaker terminals after installation. Do not touch the
70V speaker terminals as electric shock may result.
• Ensure that the safety ground terminal is connected to a proper ground. Never connect the
ground to a gas pipe, as a severe explosion and/or fire may result.
• Be sure the installation of this product is stable, avoid slanted surfaces as the product may
fall and cause injury, property damage, electrocution and/or fire.
• Note when the unit is turned off it is not completely disconnected from the wall AC power
outlet. Do not open the cover unless the device is unplugged from the wall AC power outlet.
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Introduction:
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Congratulations and thank you for purchasing the Factor Electronics PRO-SUB-12A.
The Factor Electronics PRO-SUB12A is a professional active sub-woofer designed to
augment low frequency audio in homes, theaters, recording studios and commercial
audio systems. The PRO-SUB12A extends the low frequency range of any audio system
below 40Hz. Add the PRO-SUB12A to your existing speaker system to enjoy powerful,
controlled low bass that can be tailored to compliment practically any stereo, surround
sound, or distributed audio system. The PRO-SUB12A provides some unique features like
6 x M10 fly points that allow the PRO-SUB12A to be hung/flown from ceilings and trusses.
This is especially useful in restaurants, bars, fitness centers, retail stores and community
centers with truss /open ceilings. The PRO-SUB12A can be concealed in the ceiling while
providing excellent low frequency extension.
Unpacking
The PRO-SUB12A includes the following parts:
1 x PRO-SUB12A active sub-woofer
2 x spare mains fuses
1 x AC Power cable
1 x PRO-SUB12A manual
Optional Equipment:
M-10 Fly Bolts (purchase these from your Factor Electronics dealer to fly/hang
the PRO-SUB12A)
Back Panel Controls & Connections Diagram A (turn to the next page for detailed
explanations)
1. Speaker level Inputs.
2. Speaker level outputs.
3. Line level inputs.
4. Line level outputs.
5. Auto ON/OFF.
6. Phase 0/180deg.
7. Power On LED.
8. Ground lift switch.
9. Input gain control.
10. Signal limit.
11. Frequency adjustment
12. AC input.
13. AC mains fuse.
14. Mains power switch.
15. AC voltage selector.
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Back Panel Operations and Connections:
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1. Speaker Level Inputs:
The PRO-SUB12A can be connected to your
system multiple ways. Connect the speaker
level outputs from your amplifier to the L/R
speaker level inputs on the PRO-SUB12A.
If you are using a mono amplifier you can
connect a single mono speaker level signal to
the L (left) speaker input. The PRO-SUB12A
speaker level inputs will accept signals from
4/8ohm stereo amplifiers and also 25/70volt
mono commercial amplifiers.
(TIP) When using a mono 25/70V commercial
amplifier use the 4ohm amplifier output to
connect the PRO-SUB12A and run your 25/70V
speakers from the 25/70V amplifier outputs.
The PRO-SUB12A will not load down or lower
The reflected Impedance to your commercial
Amplifier. This can provide better bass response.
2. Speaker Level Outputs:
When connecting the PRO-SUB12A to an
amplifier speaker level outputs it is possible
to use the internal crossover built into the
PRO-SUB12A to roll off low frequency's to your
main left/right stereo speakers. This can produce
a cleaner tighter sounding system. This also
eliminates possible phase cancellations (dips)
and spikes in frequencies where both the
PRO-SUB12A and you main left/right speakers
are trying to produce the same lower frequencies
EXAMPLE: Connect the L/R speaker outputs
From your stereo amp to the PRO-SUB12A
Speaker level inputs. Now connect the
PRO-SUB12A speaker level outputs to your main
L/R speakers. Set the FREQ control to approx
80Hz. Now the PRO-SUB12A will produce
Frequencies from 80Hz and below and your main
L/R speakers will produce frequencies from 80Hz
and above.
(TIP) Check the rated frequency response of your
main L/R speakers and look at the frequency
graph (if available). Speakers may be rated down to
40Hz but may start to roll off steeply after 80-100Hz.
Set the FRQ control to the point where the frequencies
of your main L/R speakers roll off. This will produce
the best results.
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Back Panel Operations and Connections:
3. Line level Inputs:
The line level inputs are unbalanced -10dB
stereo RCA jacks. Connect the line level
outputs from your mixer, receiver (sub out),
or pre-amplifier here. When using a mono
output connect to the LEFT input only.
4. Line Level Outputs:
The line level outputs are unbalanced -10dB
stereo RCA jacks. Connect the line level
outputs to your stereo amplifier, or another
sub-woofer When using a mono output connect
to the LEFT output only.
5. Auto ON/OFF Switch:
With this switch in the OFF position the RCAOUT jacks will pass full frequency audio fed
from the RCA-IN jacks. With this switch in the
ON position the internal crossover will affect the
RCA-OUT signal. Set the FREQ control to your
desired crossover point. The PRO-SUB12A will
produce the frequencies below the crossover
point and the RCA-OUT jack will pass all
frequencies above the crossover point.
This becomes a “High Pass” and a “Low Pass”
filter.
Example: With a simple 2.1 setup. I have
read the specs on my two front L/R
speakers and determined that their
frequency response is 100Hz-20kHz.
Set the FREQ control to 100Hz, set the AUTO
Switch to ON. Now connect an RCA cable
from the LINE OUT RCA jack to the amp that
will be powering my main L/R speakers.
with this setup the PRO-SUB12A will produce
the frequencies below 100Hz and the main
L/R speakers will produce frequencies from
100 Hz- 20-kHz.
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Back Panel Operations and Connections:
6. Phase 0-180 Degrees:
0 Degrees = the input signal will be in phase
with front surround speakers. 180 degrees
the input signal will 180 degrees out of phase
from front surround speakers. When the
PRO-SUB12A is positioned on the same wall
as your front speakers keep the PHASE switch
set to 0 degrees. When the PRO-SUB12A is
positioned on the opposite wall from your front
speakers set the PHASE switch to 180 degrees.
7. Power On LED:
When the main power switch is ON this LED
will be green.
8. Ground Lift Switch:
The ground lift switch helps eliminate audio hum
that can be caused by ground differentials
between different pieces of equipment connected
together in the same system. Ground hum is
generally 60Hz hum which is easily noticeable
when the system is turned on. Press the ground
lift switch to minimize or eliminate the hum.
9. Gain:
This is the input level control. Adjust the input
level control to achieve the correct system level
In relation to the other speakers in the system.
Always pay attention to the signal limit LED.
If the signal limit LED is flashing your input level
Is reaching 0dB. If the gain control is set too high
The amplifier will be over-driven. This can
damage the amplifier. Keep you input gain as
low as possible while achieving your desired
sound pressure level.
10. Signal Limit LED:
When the input signal exceeds 0dB the on-board
clip limiter will automatically be engaged. The
clip limiter will limit the input signal to avoid
overloading the amplifier. If the Signal Limit LED
flashes momentarily the input is within a safe
operating level. If the signal limit LED stays lit
solidly adjust the input gain control down.
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Back Panel Operations and Connections:
11. Frequency 40Hz-120Hz:
The Frequency adjusts the low pass filter for the
sub-woofer amplifier. The PRO-SUB12 will
amplify frequencies below this controls setting.
The PRO-SUB12A is designed to amplify low
frequencies which can not be reproduced by
most stereo or surround speakers. Example:
check the frequency response of the main left
and right speakers you are using. If the stated
frequency response is 100Hz to 20kHz, set the
FREQ control on the PRO-SUB12A to 100Hz.
The PRO-SUB12A will amplify frequencies below
100Hz which will extend the frequency response
of your system.
12. AC Power Input Connector:
Connect the supplied AC cable here and connect
to a 110V North American AC wall jack.
13. Fuse:
The PRO-SUB12A is switchable between
110-120V North American AC and 220-240V
European AC. Use the following fuses:
110-120V = 3amp (AL) 250V AC
220-240V = 5amp (AL) 250V AC
14. Power:
Applies power to the amplifier. The amplifier will
remain in standby mode until an input
signal is present at the IN RCA or speaker
input jacks.
15. Voltage Selector:
110V-220V: This should be set to 110V for
North American power. The PRO-SUB12A
Amplifier is compatible with 110V-60Hz North
American power voltages and European
220V-50Hz power voltages. You should
never need to adjust this switch once it is
set to the correct power setting.
Your PRO-SUB12A is shipped from the
factory set to 110V-60Hz North American
power voltage.
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PRO-SUB12A Installation & Setup
The PRO-SUB12A provides several different mounting options:
1. Traditional floor standing:
The PRO-SUB12A provides four large
rubber feet for floor standing installations.
The rubber feet help to isolate the sub-woofer
from the floor and also keep the sub-woofer
from changing positions due to vibrations.
2. Pole Mounting Additional Speakers:
The PRO-SUB12A provide a sturdy metal pole cup
1-3/8” diameter for mounting additional speakers.
3. Wall Mounting (with the optional SPK-WALL-MNT):
The SPK-WALL-MNT can be purchased from your
Factor Electronics dealer and be used to wall-mount
the PRO-SUB12A.
4. Hanging / Flying: (with optional Factor M-10 Fly Bolts):
The PRO-SUB12A provides 6 x M-10 fly points on the cabinet
for hanging/ flying from ceilings and trusses. There are four fly
points on the back of the PRO-SUB12A and two fly points on
the top of the cabinet. This provides a variety of hanging positions
Including strait down or angled with multiple angle adjustments.
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Installation and setup:
After unpacking your PRO-SUB12A find a suitable location in your room to position the unit.
Finding the best location is subjective. The following diagrams can be used as a guide to get the
best performance for the PRO-SUB12A.
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1. Connect the IN RCA jacks to the SUB LINE output from your receiver or pre-amplifier using a
good quality RCA cable.
2. Plug the AC power cord into the AC wall outlet.
3. Press the Power switch to the ON position.
4. Play music through your system and adjust the VOLUME control to the desired level.
5. Select the proper PHASE setting based on the following: Sub is in the front of the room
positioned close to the main left/right speakers = 0 degree Phase.
Sub is positioned at the back of the room facing the main left/right speakers = 180 degree phase.
6. Play music through your system and adjust the FREQ control to play the sub-woofer below
the rated frequency response of the main left/right speakers.
Diagram B (Basic 2.1 Speaker Layout):
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10
Installation and setup:
After unpacking your PRO-SUB12A find a suitable location in your room to position the unit.
Finding the best location is subjective. The following diagrams can be used as a guide to get the
best performance for the PRO-SUB12A.
1. Connect the IN RCA jacks to the SUB LINE output from your receiver or pre-amplifier using a
good quality RCA cable.
2. Plug the AC power cord into the AC wall outlet.
3. Press the Power switch to the ON position.
4. Play music through your system and adjust the VOLUME control to the desired level.
5. Select the proper PHASE setting based on the following: Sub is in the front of the room
positioned close to the main left/right speakers = 0 degree Phase. Sub is positioned at the
back of the room facing the main left/right speakers = 180 degree phase.
6. Play music through your system and adjust the FREQ control to play the sub-woofer below
the rated frequency response of the main left/right speakers.
Diagram C (Basic 5.1 Speaker Layout):
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11
Installation and setup:
After unpacking your PRO-SUB12A find a suitable location in your room to position the unit.
Finding the best location is subjective. The following diagrams can be used as a guide to get the
best performance for the PRO-SUB12A.
1. Connect the IN RCA jacks to the SUB LINE output from your receiver or pre-amplifier using a
good quality RCA cable.
2. Plug the AC power cord into the AC wall outlet.
3. Press the Power switch to the ON position.
4. Play music through your system and adjust the VOLUME control to the desired level.
5. Select the proper PHASE setting based on the following: Sub is in the front of the room
positioned close to the main left/right speakers = 0 degree Phase. Sub is positioned at the
back of the room facing the main left/right speakers = 180 degree phase.
6. Play music through your system and adjust the FREQ control to play the sub-woofer below
the rated frequency response of the main left/right speakers.
Diagram D (Basic 5.1 Corner Speaker Layout):
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Installation and setup:
After unpacking your PRO-SUB12A find a suitable location in your room to position the unit.
Finding the best location is subjective. The following diagrams can be used as a guide to get the
best performance for the PRO-SUB12A.
1. Connect the IN RCA jacks to the SUB LINE output from your receiver or pre-amplifier using a
good quality RCA cable.
2. Plug the AC power cord into the AC wall outlet.
3. Press the Power switch to the ON position.
4. Play music through your system and adjust the VOLUME control to the desired level.
5. Select the proper PHASE setting based on the following: Sub is in the front of the room
positioned close to the main left/right speakers = 0 degree Phase. Sub is positioned at the
back of the room facing the main left/right speakers = 180 degree phase.
6. Play music through your system and adjust the FREQ control to play the sub-woofer below
the rated frequency response of the main left/right speakers.
Diagram E (Basic 6.1 Speaker Layout):
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13
Installation and setup:
After unpacking your PRO-SUB12A find a suitable location in your room to position the unit.
Finding the best location is subjective. The following diagrams can be used as a guide to get the
best performance for the PRO-SUB12A.
1. Connect the IN RCA jacks to the SUB LINE output from your receiver or pre-amplifier using a
good quality RCA cable.
2. Plug the AC power cord into the AC wall outlet.
3. Press the Power switch to the ON position.
4. Play music through your system and adjust the VOLUME control to the desired level.
5. Select the proper PHASE setting based on the following: Sub is in the front of the room
positioned close to the main left/right speakers = 0 degree Phase. Sub is positioned at the
back of the room facing the main left/right speakers = 180 degree phase.
6. Play music through your system and adjust the FREQ control to play the sub-woofer below
the rated frequency response of the main left/right speakers.
Diagram F (Basic 7.1 Speaker Layout):
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Technical Specifications and Warranty
Amplifier:
Class – D
Power @ 4ohms – 600W RMS/1200W Peak
Frequency Response - 20Hz-200Hz
THD - .05%
Signal – Noise - 102dB
Damping Factor @ 1kHz - >300
Line Input Sensitivity – 24Ohms
Line Input Impedance – 10KOhms
Speaker In/Out – 4/8Ohms + 25/70V
Phase Polarity Switch – 0deg – 180deg
Variable Crossover – Analog 40Hz-180Hz
Thermostatically Controlled Fan Cooling
Chassis Ground Lift Switch
AC- 110-120V 60Hz / 220-240V 50Hz Switchable
Woofer:
12” Professional Sub-woofer
Frame – Cast Aluminum
Cone – Treated Pulp Fiber
Nominal Impedance – 4Ohms
Power Handling AES Noise - 1000W
Frequency Response – 38Hz – 1.2kHz
Voice Coil Diameter – 3.935” / 99.95mm
Voice Coil Winding Depth – 1” / 25mm
Magnet Weight – 7.02Lbs / 112.38oz / 3186g
Effective Diaphragm Diameter – 11.96” / 296mm
Cabinet:
15mm Birch Plywood Ported Enclosure
Black Tough Coat Painted Finish
4 x Rubber Feet
1-3/8” pole mount cup
6 x M-10 Fly points
2 x Top Plate Handles
Grille – Metal Power Coat Black
Dimensions (HxWxD) – 15 x 21 x 19”
381 x 533 x 482mm
Weight – 56lbs / 25.4kgs
Warranty
Factor Electronics amplifiers are warranted to be free from defects in workmanship and materials
for a period of three (3) years from the date of purchase without charge for parts or labor.
This warranty applies only to the original owner. The owners responsibilities are to provide proof
of purchase from an authorized Factor Electronics dealer/distributor and transportation to the
dealer/distributor the unit was purchased from or Factor Electronics. This warranty does not
apply to units that have been subject to misuse, abuse, neglect or improper installation, and does
not apply to repairs or alterations made by unauthorized personnel. This warranty specifically
excludes responsibility for consequential damage. Retention of your original bill of sale is required
to obtain service under the terms of this warranty.
Contact Information: Factor Electronics, 4159 McConnell Drive Burnaby B.C. Canada V5A-3J7
PH: 778-800-1918 E-Mail: info@factorelectronics.com Web: www.factorelectronics.com
In an effort to constantly provide our valued customers with the latest advancements in technology,
Factor Electronics specifications are subject to change from time to time without notice.
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