POWER ONE SERIES AMPLIFIERS
The Power One Series products have been designed to a very high level of performance, with features unavailable
in any other product. All of the amplifiers have variable crossovers built in, with added touches such as subsonic
filter, bass equalization and a remote Level control module (some models) that allows subwoofer Level control
from the drivers seat.
To ensure years of listening pleasure, all amplifiers have a built in diagnostic mode that will detect shorted speaker
leads, low impedance, dangerous high temperatures, DC shorts and will shut down the amp to prevent serious
damage.
General Installation Procedure..........................................................................................................................................................................................1
Amplifier Feature Descriptions...........................................................................................................................................................................................2
P1-600.2 / P1-1000.2 2-CHANNEL AMPLIFIER APPLICATIONS....................................................................................................................................3
Full range stereo / mono
P1-600.4 / P1-1000.4 4-CHANNEL AMPLIFIER APPLICATIONS.................................................................................................................................4-5
4, 3 and 2 channel operation / front/rear high pass using a 2 channel model for mono sub bass
P1-2000.1 1 CHANNEL AMPLIFIER APPLICATIONS......................................................................................................................................................6
Basic mono amplifier application
P1-5000.5 5 CHANNEL AMPLIFIER APPLICATIONS......................................................................................................................................................7
Full range stereo / mono
Features and Specifications...............................................................................................................................................................................................8
Setting Up Systems After Installation For Best Performance...............................................................................................................................................9
Troubleshooting and Diagnostics.....................................................................................................................................................................................10
Product Warranty.............................................................................................................................................................................................................11
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GENERAL INSTALLATION PROCEDURE
System Design
The success of any car stereo system relies on several factors, such as the system design, execution of the installation, and system setup. Please
remember that any system is only as good as its weakest link.
Please remember that higher power systems are not necessarily useful purely for high sound pressure levels, but also to establish a headroom capability, to
reproduce musical peaks cleanly without distortion. Lower power amplifiers will clip earlier than their more powerful cousins, and cause loudspeaker failure when
overdriven, due to the harmonics generated by a clipped signal, thus overheating voice coils.
Amplifiers should be mounted with the fins running horizontally for best convection cooling, to minimize overheating. Purchase the best quality RCA cables you can
afford, for reliability and less engine noise interference in the audio system.
Installation
WOOD
It is highly recommended that the amplifier be mounted to a board of MDF or other solid
structure using the 4 mounting screws provided. Avoid mounting the
amplifier to metal as this can introduce noise and other unwanted issues. When mounting
the amplifier, ensure that it is mounted HORIZONTALLY, as shown in the diagram above, for
optimal heat dissipation. Mounting amplifiers to speaker enclosures is not recommended as
this can cause damage to the amplifier components. When choosing a location for
mounting the amplifier, ensure that you check for clearance from wires, gas tank, electrical
devices and brake lines etc.
General:
Run the wiring so that RCA cables are at least 18“ away from power and speaker cables. Keep RCA cables away from electrical devices in the vehicle that can cause
electrical noise, such as electric fuel pumps, emission control modules and other on-board electronic modules.
Power and ground connections(see the features matrix on page 8 for proper gauge cables per amplifier):
Use a sufficient gauge power cable and ground cable using the chart below as reference to what size wire you require. Power One series amplifiers require at least 4
gauge power wire. In a multi amplifier system, add the total value of the manufacture recommended fusing to get your total system amperage. Some applications
may require multiple runs of power wire to meet the system requirements. In multi amplifier systems it is advisable to mount a large enough fuse right at the battery,
and run one or multiple +12 volt power cables to a fused distribution block near the amplifiers. It is then a simple matter to connect the +12 volt terminal of each
amplifier to the distribution block. During this process, please ensure that the main power fuse is removed to avoid shorting the electrical system. The main fuse must
be within 12” of the vehicles battery.
Ground each amplifier with as short a ground lead as possible directly to the vehicle chassis using at least 4 gauge wire or equivalent to the size of the amplifiers’
power wire. Use a ground distribution block, if you wish, but it is extremely important to keep the main ground lead from this distribution block to the chassis as short
as possible , not more than 12“. The ground connection integrity to the chassis is very important, and the best way to achieve a good, solid electrical and mechanical
contact is to use a large round crimp lug, crimped and soldered to the ground cable. The next step is to scrape the paint off the vehicle chassis , slightly larger than
the ground lug, at the connection point. Drill a clearance hole in the chassis, the same size as the lug hole, and use a bolt, spring washer and nut to securely fasten
the ground lug. Use petroleum jelly to coat the bolt/lug connection, to prevent oxidization with time.
TIP: Use the same approach when installing head units, equalizers or any audio equipment for that matter - run short individual grounds from each piece directly to
the vehicle chassis, to minimize ground loops and system noise. All power, ground and speaker connections should be crimped and soldered for reliability. Make sure
that none of the cable insulation can chafe against exposed metal in the vehicle, causing short circuits to the chassis.
WIRE LENGTH
SYSTEM
AMPERAGE
35-50
50-65
68-85
85-105
105-125
125-150
7-10 ft. 10-13 ft. 13-16 ft.
8
6
4
4
4
2
6
4
4
2
2
0
4
4
2
2
0
0
16-19 ft. 19-22 ft. 22-28 ft.
4
4
2
2
0
0
4
4
2
2
0
0
4
2
0
0
0
0
NOTE: This Matrix is a general rule
WIRE GAUGE
of thumb. Please refer to the
manufacturers specific
requirements. P1 specifications
can be found on page 8.
Safe connection sequence:
After all cables are run, connect speaker wires to the speakers and amplifiers, then run and plug in RCA cables. Next, connect all power, ground, and remote turn on
leads. Now connect all +12 volt cables to the amplifier/s and distribution blocks and fuse holders. Finally, connect the main +12 volt cable to the battery, with the main
fuse removed, and we are almost ready to power up the system.
Power up the system:
The following procedure may seem like overkill, but there is nothing more frustrating when turning on a system for the first time, and it does not work properly
immediately.
First, make sure the head unit is off, and turn all level controls to minimum (counterclockwise), including the head unit volume control. Set all equalizers to 0 dB (no
boost), and all crossover frequency controls at approximate frequencies, as recommended by the loudspeaker manufacturer. Set all input selector and crossover
switches as required for the application. Remove all amplifier fuses, and insert the main fuse at the battery. If the fuse does not blow, you can insert the fuse in one of
the amplifiers, and we are ready to turn on the system. Turn the head unit on, insert a CD, or select a radio station, and increase the head unit volume control. If the
system sounds fine, turn off the head unit, and install fuses in the remaining amplifiers, one by one, till the complete system is powered up and functioning properly.
1
AMPLIFIER FEATURE DESCRIPTIONS
POWER ONE AMPLIFIERS:
Each model is capable of 4 & 2-Ohms stereo per channel, or 4-Ohms mono bridged operation except the mono amps All Crunch amplifiers feature a comprehensive diagnostic system, with speaker lead short circuit, and amplifier DC
! !
which are capable of 4, 2 and 1-Ohm loads.
!
The input sensitivities for rated output powers are variable from 0.2V to 6V on all models.
!
All crossovers are fully variable in their respective ranges.
!
Crossover filters are 12dB/Octave.
!
A POWER LED indicates the powered up and turned on condition.
L L
R R
LINE OUT LINE INPUT
The X-OVER slide switch selects the internal crossover functions:
-The input signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER setting simplifying daisy chaining of amplifiers.
-HPF: Selects the built in HIGH PASS filter, variable from 60 Hz to 12kHz.
-FULL: Bypasses all crossovers for full frequency range operation.
-LPF: Selects the built in LOW PASS , variable from 30 Hz to 250Hz.
-BASS EQ: Adjustable 45Hz bass boost from 0dB to 12dB.
MODE: The mode switch allows you to choose Stereo for full range 2 channel operation or MONO for bridging operation
HIGH INPUT: If your radio/CD player does not have unbalanced (RCA) outputs, you can use the HIGH level (wire) inputs.
LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.
LINE OUTPUT: The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal.
Note that the LOW PASS signal is MONO.
-In the LPF position, the HIGH PASS filter acts as a subsonic filter.
-When the LPF mode is selected, a 0 to +12dB, at 45Hz, BASS -EQ is also switched in.
LPF HPF BASS EQ LEVEL
30Hz 250Hz 60Hz 12KHz 0dB 12dB 6V 0.2V
The 4 channel amps have the same features as the 2 channel models accept that there are 2 sets of controls. 1 set for channels 1 & 2 and 1 set for channels 3 & 4.
In addition, the 4 channel models have a Mode switch which allows you to select 2, 3 or 4 channel operation. Switch to 2 channel if you only have 1 set of RCA’s in CH 1/2 and
the unit will automatically supply signal to channels 3/4. Select 3 channel when you only have RCA’s in CH 1/2 but plan to run channels 3/4 bridged. Select 4 channel if you
are providing RCA’s to channels 1/2 and 3/4.
The X-OVER slide switch selects the internal crossover functions:
-The input signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER setting simplifying daisy chaining of amplifiers.
-HPF: Selects the built in HIGH PASS filter, variable from 60 Hz to 12kHz.
-FULL: Bypasses all crossovers for full frequency range operation.
-LPF: Selects the built in LOW PASS , variable from 30 Hz to 250Hz.
-BASS EQ: Adjustable 45Hz bass boost from 0dB to 12dB.
LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.
LINE OUTPUT: The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal.
Note that the LOW PASS signal is MONO.
-In the LPF position, the HIGH PASS filter acts as a subsonic filter.
-When the LPF mode is selected, a 0 to +12dB, at 45Hz, BASS -EQ is also switched in.
POWER
PROTECT
P1-600.2 / P1-1000.2 2-CHANNEL AMPLIFIERS
LEVEL BASS EQ HPF LPF
+ - gnd - +
HI INPUT
6V 0.2V 0dB 12dB 60Hz 12KHz 30Hz 250Hz
P1-600.4 / P1-1000.4 4-CHANNEL AMPLIFIERS
X-OVER
MODE
2 3 4
CHANNEL 1 / 2
LPF HPF FULL
CH1 CH3
CH2
P1-2000.1 MONO BLOCK AMPLIFIERS
REMOTE
CONTROL
BASS
BOOST
0dB 12dB 15Hz 55Hz 40Hz 150Hz 6V 0.2V
faults indicated by the red “PROTECT” LED.
!
CAUTION: DO NOT OPERATE ANY AMPLIFIER BELOW THE INTENDED IMPEDANCE. YOU WILL CAUSE
DAMAGE TO THE AMPLIFIER THAT WILL NOT BE COVERED UNDER THE WARRANTY PRINTED IN THE BACK
OF THE MANUAL. 2 & 4 Channel amps are capable of 4 and 2-Ohms wired stereo and 4-Ohms wired mono
bridged. The mono amps are capable of 4, 2 and 1-Ohm.
X-OVER MODE
FULL LPF HPF MONO STEREO
HIGH INPUT
+ - GND - +
+ - GND - +
CH1 CH2
CH3 CH4
CHANNEL 3 / 4
OUTPUT INPUT
L L
INPUT OUTPUT INPUT
SUB
LOW
SONIC
PASS
X-OVER
FULL HPF LPF
LEVEL BASS EQ HPF LPF
CH4
6V 0.2V 0dB 12dB 60Hz 12KHz 30Hz 250Hz
LEVEL
R R
-The LINE INPUT signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER setting simplifying daisy chaining of amplifiers.
-SUBSONIC: Allows you to adjust the crossover filter from 15Hz to 55Hz.
-LOWPASS: Allows yo to adjust the LOW PASS crossover filter from 40Hz to 150Hz.
LEVEL: Adjusts the input sensitivity from 0.2 volts to 6 volts.
BASSBOOST: 45Hz bass boost adjustable from 0db to 12dB.
REMOTE CONTROL: This is the input jack for the remote Level control.
LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.
LINE OUTPUT: The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal.
The mono amps are capable of 4, 2 & 1-Ohm loads.
Operating the amp below 1-Ohm can cause damage to the amp not covered in the warranty.
P1-5000.5 5-CHANNEL AMPLIFIERS
CH5 CH4
L
INPUT
R
CH3
The 5 channel amp have the same features as the 4 channel models accept that there is an additional set of controls for channel 5
The X-OVER slide switch selects the internal crossover functions:
-The input signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER setting simplifying daisy chaining of amplifiers.
-HPF: Selects the built in HIGH PASS filter, variable from 10 Hz to 150Hz.
-FULL: Bypasses all crossovers for full frequency range operation.
-LPF: Selects the built in LOW PASS , variable from 30 Hz to 150Hz for channel 5 only.
MODE: The mode switch allows you to choose 4 or 5 channel operation.
LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.
SUBSONIC: Is adjustable from 15Hz to 55Hz for the channel 5 only.
BASS EQ: Is adjustable from 0dB to 12dB for channel 5 only.
2
REMOTE: this is used for the Bass Remote module.
3/4 CH CONTROLS 1/2 CH CONTROLS
CH2
CH1CH5
LEVEL
6V 0.2V
6V 0.2V
LEVEL
FULL
HPF
X-OVER
HPF
10Hz 150Hz
15Hz 55Hz
SUBSONIC
MODE
4CH 5CH
5 CH CONTROLS
LEVEL
6V 0.2V
0dB 12dB
BASS EQ
FULL
HPF
X-OVER
HPF
10Hz 150Hz
30Hz 150Hz
LPF
REMOTE
POWER
PROTECT