DB Drive G7 250.4 Посібник користувача - Сторінка 5
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2-2. G7 4 channel class AB amplifiers
AUDIO GRADE TIFFANY RCA
CONNECTORS
INPUT
Connect the RCA output cables from the
headunit to G7 amplifiers' RCA Input.
OUTPUT
Is used when connecting multiple amplifer
to the same RCA signal.
MODE ( CH2 / CH 4 )
Selectable input setting.
AUDIO PROTECTION CIRCUIT
POWER & PROTECTION INDICATOR
Power LED - GREEN-lit shows
normal operation
Protect LED - RED-lit shows general
malfunction, faulty connection or
thermal protection.
SIGNAL EVALUATION STATUS
INDICATOR.
BLUE-lit LED shows clipping peaks of
audio signal
GAIN ( 6V ~ 0.2V )
The gain control matches the voltage of the headunit's
RCA line-outs to G7 amplifiers' input section.
ADAPTIVE CROSSOVER TECHNOLOGY
CROSSOVER SELECTOR
Selectable @ HP-LP
Band pass function ready.
*Refer to section 2-3C for more details.
HIGH PASS FILTER
x1 = ( 20Hz ~ 800Hz @ 18dB/Oct )
x10 = ( 200Hz ~ 8KHz @ 18dB/Oct )
Controls the high pass point
for the speaker outputs.
*Refer to section 2-3A for more details.
LOW PASS FILTER
x1 = ( 50Hz ~ 800Hz @ 18dB/Oct )
x10 = ( 500Hz ~ 8KHz @ 18dB/Oct )
Controls the low pass x-over point for the
speaker outputs.
*Refer to section 2-3B for more details.
6V 0.2V 20Hz
800Hz
200Hz 8KHz
800Hz
6V 0.2V 20Hz
200Hz 8KHz
REMOTE LEVEL CONTROL PORT
This port is for connecting the remote gain
level control.
GND ( GROUND CONNECTION )
It is connected to the Negative or ground cables of
the Vehicle.
Refer to chart below for recommended gauge values.
MODEL
GAUGE
G7 150.4
4
G7 250.4
4
G7 500.4
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.
Refer to chart above for recommended gauge values.
SPEAKER OUTPUTS
The minimum recomended speaker wire is 12 guage.
The minimum impedance is 2 ohm stereo or 4 ohm mono.
FUSES
G7 amplifiers are externally fused. Protect the amplifiers
power supply from any shorts by externally fusing your
amplifier. Any use of overvalued fuses will
void all warranty.
*Refer to page 6 for recommended fuse values.
x1 x10
x1 x10
On
O
On
O
50Hz
800Hz
500Hz 8KHz
x1 x10
x1 x10
50Hz
800Hz
On
O
On
O
500Hz 8KHz
4