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AMPLIFIER FEATURE DESCRIPTIONS
POWERONE 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
faults indicated by the red “PROTECT” LED.
which are capable of 4, 2 and 1-Ohm loads.
CAUTION: DO NOT OPERATE ANY AMPLIFIER BELOW THE INTENDED IMPEDANCE. YOU WILL CAUSE
The input sensitivities for rated output powers are variable from 0.2V to 6V on all models.
DAMAGE TO THE AMPLIFIER THAT WILL NOT BE COVERED UNDER THE WARRANTY PRINTED IN THE BACK
All crossovers are fully variable in their respective ranges.
OF THE MANUAL. 2 & 4 Channel amps are capable of 4 and 2-Ohms wired stereo and 4-Ohms wired mono
Crossover filters are 12dB/Octave.
bridged. The mono amps are capable of 4, 2 and 1-Ohm.
A POWER LED indicates the powered up and turned on condition.
2
-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 9dB.
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 P1-1050.1 is stable to 2-Ohms.
The P1-2050.1 & P1-3050.1 are stable to 1-Ohm.
Operating the amp below 1-Ohm can cause damage to the amp not covered in the warranty.
P1-1050.1 / P1-2050.1 / P1-3050.1 MONO BLOCK AMPLIFIERS
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 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 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.
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.
-BASS EQ: Adjustable 45Hz bass boost from 0dB to 9dB.
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 +9dB, at 45Hz, BASS -EQ is also switched in.
P1-650.4 / P1-1050.4 / P1-1650.4 4-CHANNEL AMPLIFIERS
P1-5050.5 5-CHANNEL AMPLIFIERS
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 9dB.
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.
P1-650.2 / P1-1050.2 / P1-1650.2 2-CHANNEL AMPLIFIERS
LINE OUT LINE INPUT
R R
L L
+ - gnd - +
HI INPUT
6V 0.2V 0dB 9dB 60Hz 12KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
FULL LPF HPF MONO STEREO
X-OVER MODE
OUTPUT INPUT
BASS
BOOST
SUB
SONIC
LOW
PASS
LEVEL
REMOTE
CONTROL
POWER
PROTECT
R R
L L
0dB 9dB 15Hz 55Hz 40Hz 150Hz 6V 0.2V
LINE INPUT
LINE OUT
CHANNEL 3 / 4
CHANNEL 1 / 2
30Hz 250Hz 60Hz 12KHz 0dB 9dB 6V 0.2V
30Hz 250Hz 60Hz 12KHz 0dB 9dB 6V 0.2V
LPF HPF BASS EQ LEVEL
LPF HPF BASS EQ LEVEL
FULL LPF HPF
X-OVER
FULL LPF HPF
X-OVER
4 2
MODE
Ch1
Ch2
Ch3
Ch4
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
In addition, the 5 channel models have a Mode switch which allows you to select 4 or 5 channel operation. Switch to 4 channel if you only have 2 sets of RCA’s in CH1-2 and
CH3-4 and the unit will automatically supply signal to channel 5. Select 5 channel if you are providing RCA’s to channels 1-5.
The X-OVER slide switch selects the internal crossover functions:
-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.
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.
REMOTE: this is used for the Bass Remote module.
POWER
PROTECT
FULL
HPF
FULL
HPF
4CH 5CH
X-OVER
X-OVER
10Hz 150Hz
HPF
30Hz 150Hz
LPF
LEVEL
6V 0.2V
LEVEL
6V 0.2V
LEVEL
6V 0.2V
SUBSONIC
15Hz 55Hz
0dB 12dB
BASS EQ
10Hz 150Hz
HPF
REMOTE
MODE
CH1CH5
CH5 CH4
CH3
CH2
L
R
INPUT
3/4 CH CONTROLS 1/2 CH CONTROLS
5 CH CONTROLS