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Specifications; Amplifier Block Diagram - JBL GT5-S422 Service Manual

2 channel power amplifier
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GT5-A402, GT5-S422

Specifications

GT5-A402 Output Power:
(14.4V supply)
GT5-S422 Output Power:
(14.4V supply)
Signal-to-noise ratio:
GT5-A402 Total Peak power:
GT5-S422 Total Peak power:
Frequency response:
THD+N 1KHz LPF=22KHz
Channel Separation
Input Impedance
Maximum input signal:
Maximum sensitivity:
Hi-Pass, Low Pass X-over Limits
Bass Boost @ 50Hz
DC Offset
Output regulation:
Idle Current @ 4 ohms
Max Current Draw
Remote Operating Voltage
Turn-on delay time
Circuit Protection
Dimensions:
Fuse:
JBL continually strives to update and improve existing products, as well as create new ones. The specifications and details in
this and related JBL publications are therefore subject to change without notice.
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- CONTENTS -
SPECIFICATIONS ...............................................1
PACKING............................................................2
CONTROL/INSTALLATION DRAWINGS..................3
CONTROL/INSTALLATION INSTRUCTIONS.............4
BASIC TROUBLESHOOTING.................................5
EXPLODED VIEW/PARTS LIST...............................6

AMPLIFIER BLOCK DIAGRAM...............................7

P.C.B. DRAWINGS................................................8
ELECTRICAL PARTS LIST ...................................10
IC/TRANSISTOR PINOUTS....................................13
SCHEMATICS......................................................14
40W RMS x 2 channels @ 4 ohms; ≤1% THD + N
60W RMS x 2 channels @ 2 ohms; ≤1% THD + N
120W RMS x 1 channel (bridged) @ 4 ohms; ≤1% THD + N
45W RMS x 2 channels @ 4 ohms; ≤1% THD + N
70W RMS x 2 channels @ 2 ohms; ≤1% THD + N
120W RMS x 1 channel (bridged) @ 4 ohms; ≤1% THD + N
85dBA (reference 1W into 4 ohms)
101dBA (reference rated power into 4 ohms)
240W
300W
10Hz – 100kHz (–3dB)
≤0.05% (rated power @ 4 ohms)
≥50db
15kΩ
6.0V
200mV
32Hz – 320Hz ±20% 12dB/oct
6dB
<30mV
38dB
0.46A
≤11A
5V
3 sec
Temperature (85±5C), Short circuit, Operating voltage range (8-16V)
2 1/8 x 7 1/2 x 9 1/4" (54 x 191 x 235mm)
15A
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Gt5-a402