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Linking Mono Amplifiers
REF1.800
7
POWER INPUT
POWER INPUT
GND REM BATT+12V
GND REM BATT+12V
SPEAKER OUTPUT
SPEAKER OUTPUT
- - + +
- - + +
FUSE
FUSE
MONO
SUBWOOFER
POWER
PROTECT
POWER
PROTECT
DESIGNATED
MONO OUTPUT
FROM HEAD UNIT
Single RCA from Master Output
on Master Amplifier to
Slave Input on Slave amplifier
INPUT
INPUT
R
R
Master
Master
Slave
Slave
Out
Out
In
In
L
L
5V 0.2V
LEVEL
5V 0.2V
LEVEL
15Hz 55Hz
SUBSONIC
15Hz 55Hz
SUBSONIC
REMOTE
REMOTE
40Hz 150Hz
LOW PASS
40Hz 150Hz
LOW PASS
0dB 12dB
BASS
BOOST
0dB 12dB
BASS
BOOST
MODE
MODE
Slave
In
Slave
In
Master
Out
Master
Out
MBQR-2
MIN MAXX
DUAL AMP INSTALLATION PROCEDURE:
5. Route two 4 gauge power cables directly to the vehicle battery with an in-line fuse.
1. Connect the amp LINE INPUTS to the Radio/CD player full range or mono line out
6. Connect two 4 gauge ground cables directly to the chassis with in 36” of the amp.
puts with good quality RCA interconnect cables.
- Be sure to remove any paint or primer from the ground point.
2. Plug the MBQR-2 level remote module into the amp REMOTE INPUT jack on the
- Use a nut, bolt and lock washer to secure the ground cable to the chassis ground.
Master amp. This will allow the Master amp to control both Master and Slave amps
7. Connect the subwoofer(s) in accordance to the diagrams below.
with just one Remote.
8. Connect a 12 gauge jumper from Master amp speaker - to Slave amp speaker - as
3. Connect an RCA jumper cable from the Master amp MASTER OUTPUT to the
shown below.
Slave amp SLAVE INPUT. Note: This will “link” the amps so that the Master amp
crossover switches will control both the Master and Slave amps. The Slave amp
Please understand that each amplifier is stable to 1 Ohm, but when
IMPORTANT:
crossover switches will be bypassed.
linking a pair as indicated below you can not link below 2 Ohms. You can successfully
run one DVC 4 Ohm sub, two SVC 4 Ohm subs or two DVC 2 Ohm subs to get your 2
4. Make sure that the MASTER amps’ MODE switch is in the Master Out position. Next
Ohm final load.
you need to make sure that the SLAVE amps’ MODE switch is in the Slave In position.
IN
OUT
IN
OUT
MODE
Slave
In
Master
Out
MODE
Slave
In
Master
Out