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7
Basic application
Crossover frequency control checklist:
These sub bass amplifiers can be used in any of the bi-amplification systems described in
LOW PASS: 35Hz to 250Hz
this manual, replacing the 2 channel amplifiers as per the illustrations.
SUBSONIC:15 Hz to 35 Hz
BASS EQ: 0 to +9dB
Interconnect cable checklist:
Connect the inputs to a suitable source, e.g. a head unit with good quality RCA cables.
PHASE: 0 to 180 degrees
Connect the LINE OUT to the inputs of the system highs amplifier.
Level control checklist:
Use at least #12 gauge speaker wiring. The amps have dual speaker terminals,
Refer to the section “Setting up systems after installation for best performance”
simplifying the hookup of multiple speakers
Minimum final loudspeaker impedance: 1-Ohm.
FULL RANGE
STEREO LINE INPUT
NOT USED
Y-ADAPTOR
Note: You can use the Radio/CD designated mono line output or a full range stereo line output.
For full range stereo line output, you will need an optional “Y-Adaptor” as shown.
GPV2000.1 A/B CLASS 1 CHANNEL AMPLIFIER APPLICATION
PARALLEL MONO
SUBWOOFERS
2-OHMS EACH MINIMUM
MONO
SUBWOOFER
30th ANNIVERSARY
GROUND POUNDER
POWER
SPEAKER
FUSE
GND REM +12V
- - + +
POWER
SPEAKER
FUSE
GND REM +12V
- - + +
REMOTE TURN-ON
CHASSIS GROUND
TO BATTERY + 12 Volts VIA FUSE
DESIGNATED
MONO OUTPUT
FROM HEAD UNIT
MIN MAXX
GPR-1
L
R
L
R
POWER
PROTECT
REMOTE
0dB 9dB
BASS
BOOST
15Hz 55Hz
SUB
SONIC
40Hz 150Hz
LOW
PASS
6V 0.2V
LEVEL
INPUT
OUTPUT
FLASH
NO FLASH