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2 way active, or bi-amplified system with mono bass
2 way active, or bi-amplified system with mono bass, and faded highs/lows
Crossover frequency control checklist:
This application shows how easily a 2 way active system can be implemented using a 4
Channels 1/2:
channel amplifier. Channels 1 and 2 will be used for highs, and channels 3 and 4 for mono
- HI PASS: 100 Hz
bass.
- LOW PASS: N/A
Interconnect cable checklist:
Channels 3/4:
- We need to feed the same signal to both sets of channels, so must use 2 Y-adapters, one
- HI PASS (subsonic): 20 Hz
to feed the LEFT signal to channels 1 and 3, and the right signal to channels 2 and 4, as
- LOW PASS: 100 Hz
shown.
Please note that these frequency points are suggestions only. Refer to the loudspeaker
Mono bass woofer wiring:
manufacturer specifications and the section “Setting up systems after installation for best
- Connect the mono speaker positive terminal to the LEFT +, and its negative terminal to
performance”
RIGHT -.
Level control checklist:
Switch setting checklist:
Refer to the section “Setting up systems after installation for best performance”
- 1/2CH X-OVER: HP
- 3/4CH X-OVER: LPF
Minimum final loudspeaker impedances:
- 2-Ohms per channel in stereo mode.
- 4-Ohms mono bridged.
Interconnect cable checklist:
Here we present a variation of the previous system. Since this is a 2 way system, we can
- Use good quality RCA leads to connect the inputs of the amplifier to the source as shown.
use the front outputs from a head unit to drive the highs, and the rear output to drive the
bass This method allows the listener to easily adjust the relative levels of bass to highs,
- Follow the instructions as per the previous system for switch and crossover settings.
with the front to rear fade on the head unit.
Channels 1 and 2 will be used for highs, and channels 3 and 4 for mono bass.
STEREO
HIGHS
SPEAKERS
STEREO
HIGHS
SPEAKERS
GPV1000.4 / GPV1600.4 4 CHANNEL AMPLIFIER APPLICATIONS
MONO
SUB BASS
SPEAKER
MONO
SUB BASS
SPEAKER
REMOTE TURN-ON
REMOTE TURN-ON
CHASSIS GROUND
CHASSIS GROUND
30th ANNIVERSARY
30th ANNIVERSARY
GROUND POUNDER
GROUND POUNDER
LINE INPUT
LINE INPUT
LINE OUT
LINE OUT
R
R
L
L
CH3/4 CH1/2
CH3/4 CH1/2
CH3 CH4
CH3 CH4
CH1 CH2
CH1 CH2
CHANNEL 1 / 2
CHANNEL 1 / 2
CHANNEL 3 / 4
CHANNEL 3 / 4
+ - gnd - +
+ - gnd - +
+ - gnd - +
+ - gnd - +
HI INPUT
HI INPUT
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
LEVEL BASS EQ HPF LPF
FULL
FULL
LPF
LPF
HPF
HPF
X-OVER
X-OVER
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
LEVEL BASS EQ HPF LPF
FULL
FULL
LPF
LPF
HPF
HPF
X-OVER
X-OVER
CHANNEL
CHANNEL
2 3 4
2 3 4
MODE
MODE
BRIDGEDBRIDGED
FUSE
POWER INPUT
GND REM +12V
CH 3/4 SPEAKER OUTPUTCH 1/2 SPEAKER OUTPUT
- RIGHT + - LEFT +
- RIGHT + - LEFT +
BRIDGEDBRIDGED
FUSE
POWER INPUT
GND REM +12V
CH 3/4 SPEAKER OUTPUTCH 1/2 SPEAKER OUTPUT
- RIGHT + - LEFT +
- RIGHT + - LEFT +
TO BATTERY + 12 Volts VIA FUSE
TO BATTERY + 12 Volts VIA FUSE
LEFT TO
CHANNELS
1 AND 3
RIGHT TO
CHANNELS
3 AND 4
FULL RANGE
STEREO LINE
INPUTS