DB Drive A72500.1 - Manual (Page 4)

INPUT
Connect the RCA output cables from the headunit
to OKUR amplifiers’ RCA Input.
POWER & PROTECTION INDICATOR
Power LED - Green-lit shows normal operation
Protect LED - RED-lit shows general malfunction,
faulty connection or thermal protection
GAIN ( 6V ~ 0.2V )
The gain control matches the voltage of the headunit's
RCA line-outs to OKUR amplifiers’ input section.
HIGH PASS FILTER ( 50Hz ~ 5KHz @ 18dB/Oct )
Controls the high pass point for the speaker outputs.
CROSSOVER SELECTOR
Selectable @ HP-FULL-LP / BP
LOW PASS FILTER ( 50Hz ~ 500Hz @ 18dB/Oct )
Controls the low pass x-over point for the speaker
outputs.
BASS BOOST ( 0~18dB @ 45Hz )
Variable @ 0 ~ 18dB
MODE ( CH2 / CH 4 )
Selectable input setting
REMOTE LEVEL CONTROL PORT
This port is for connecting the remote gain
level control.
OUTPUTS
Is used when connecting multiple amplifer to the same
RCA signal
GND ( GROUND CONNECTION )
It is connected to the Negative or ground cables of
the Vehicle.
Recommended wire is 4 gauge for A7300.2 , A775.4 &
A7125.4
REM ( REMOTE )
Connected to switched +12V remote cable
from the head unit.
+12V ( POWER CONNECTION )
This must be connected to a fused positive terminal
( +12V ) of the battery.
Recommended wire is 4 gauge for A7300.2 ,
A775.4 & A7125.4
FUSES
Protect the amplifiers power supply from any shorts.
Any use of overvalued fuses
will void all warranty.
SPEAKER OUTPUTS
The minimum recomended speaker wire is 12 guage.
The minimum impedance is 2 ohm stereo or 4 ohm mono.
3. INSTALLATION
In case you install the OKUR amplifiers by yourself, please read owner's manual
very carefully.
Before you start your installation, please take all steps into consideration.
or, you can have DB Drive or DB Reseach’s authorized dealer to check installation and set
your car audio systems.
2-2. OKUR 2 and 4channel class AB amplifiers
3