A302GTi (serv.man3) - JBL Car Audio Service Manual (repair manual). Page 4

Controls and Connections

Controls and Connections

Mounting the Amplifier

2. Speaker Output Connector - Connect speaker

    wiring to these connectors. See wiring instruc-

    tions on page 4 for more information.

3. Fuse - Three 20 Amp ATC type Fuses.

The JBL GTI Series amplifiers can be mounted in virtually any location inside the vehicle.
However, make sure to keep the amplifier away from heater vents or ducts.

1. At the chosen site, use the amplifier as a mounting template and mark the locations of the 
    four mounting holes.

2. Drill a small pilot hole at each marked location.

3. Mount the amplifier and securely tighten the mounting screws.

4. Power Connection for 12V+, GND and REM 

    connections for power wires. See wiring instruc-

    tions on page 4 for more information.

5. Input-Level Control - Adjusts input sensitivity

    for pre-amp level and speaker level inputs.

6. The electronic crossover is a 24dB/oct.

    Low pass filter which can be Set at any frequency 

    between 40Hz and 400Hz.

7. The electronic crossover is a 24dB/oct.

    High pass filter which can be Set at any frequency

    between 40Hz and 400Hz. 

8. Stereo and bridged selector switch.

9. Crossover selector switch-Low pass filter (LPF),

    High pass filter (HPF) or it may be defeated (FLAT).

    

10. External Capacitor(Optional)

2 Channel Automotive Amplifier

3

A302GTI

SPEAKER OUTPUTS

FUSE 20Ax3

+BATT

+BATT

REM

POWER

CAPTAP

GND

GND

-             +             -              +

X-OVER FREQUENCY

R

L

INPUT
LEVEL

4V    250mV

40Hz   400Hz

40Hz   400Hz

 HPF
FREQ

 LPF
FREQ

.

.

.

.

.

.

A302GTI

7

9

8

2

3

10

4

5

1

6

ST      BR

HPF  FLAT  LPF

REMOTE

1. Preamp-Level Input Connector - Connects to 
    line-level output from the source unit.