DB Drive A72500.1 - Manual (Page 3)

INPUT
Connect RCA ourput cables from the headunit
to OKUR digital amplifiers’ RCA Input.
OUTPUT
Is used when connecting multiple amplifiers
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 )
Matching the output voltage of the headunit's
RCA line-outs to OKUR amplifiers’ input section.
SUBSONIC FILTER ( 10Hz ~ 50Hz @ 24dB/Oct )
Control the high Pass point for the speaker outputs
to eliminate extreme low frequencies that can damage
your subwoofers.
BASS BOOST ( 0~9dB @ 45Hz )
It boosts the bass 0 ~ 9dB
REMOTE LEVEL CONTROL PORT
This port is for connecting remote gain level control.
LOW PASS FILTER ( 35Hz ~ 250Hz @ 24dB/Oct )
Controls the low pass point for the speaker outputs.
PHASE ( 0 ~ 180 degree )
It control phase from 0 ~ 180 degree
OUTPUT MASTER / INPUT SLAVE
OUTPUT MASTER / INPUT SLAVE connection makes
OKUR digital amplifiers as daisy chain connection
to 2 ohm.
+12V ( POWER CONNECTION )
This must be connected to the fuse positive terminal
( +12V ) of the battery.
Recommended wire is 4 gauge for A7750.1 & A71100.1
and 0 gauge for A71500.1, A72000.1, A72500.1
check the battery voltage
GND ( GROUND CONNECTION )
It is connected to the Negative or ground cables of
the Vehicle.
Recommended wire is 4 gauge for A7750.1 & A71100.1
and 0 gauge for A71550.1, A72000.1, A72500.1
REM ( REMOTE )
It is connected to switched +12V with a Trigger cable
coming from the head unit
SPEAKER OUTPUTS
it connects amplifier’s terminals to subwoofer speakers.
Minimum speaker wire is 12 guage.
Minimum impedance is 1 ohm for single unit.
Linked connection’s minimum impedance is 2 ohm.
2. OKUR AMPLIFIER’S CONTROL & CONNECTION.
2-1. OKUR digital monoblock amplifiers
2