6
GTR1000D / GTR2000D / GTR3000D
D CLASS 1 CHANNEL AMPLIFIER APPLICATION
POWER INPUT
GND REM BATT+12V
SPEAKER OUTPUT
+ + - -
FUSE
Basic application
Crossover frequency control checklist:
These sub bass amplifiers can be used in any of the bi-amplification systems described in
LOW PASS: 40Hz to 150Hz
this manual, replacing the 2 channel amplifiers as per the illustrations.
SUBSONIC:15 Hz to 55 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.
Connect the LINE OUT to the inputs of the system highs amplifier.
Level control checklist:
Refer to the section “Setting up systems after installation for best performance”
Use at least #12 gauge speaker wiring. The amps have dual speaker terminals,
simplifying the hookup of multiple speakers. These amps are mono, 1 channel, amplifiers
Minimum final loudspeaker impedance:
which have multiple positive and negative connections for ease of wiring. The 2 positives
GTR1000D & GTR2000D = 2-Ohms
are the same internally and the 2 negatives are the same internally.
GTR3000D = 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.
MONO
SUBWOOFER
POWER INPUT
GND REM BATT+12V
SPEAKER OUTPUT
+ + - -
FUSE
REMOTE TURN-ON
CHASSIS GROUND
TO BATTERY +12v
VIA FUSE
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
MIN MAXX
DESIGNATED
MONO OUTPUT
FROM HEAD UNIT
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