Read JBL GTO 755.6 (serv.man13) Service Manual online
- CONTENTS -
SPECIFICATIONS ………………………………….……..1
FEATURES/TEST CONDITIONS……..…………………2
INSTALLATION………………….……...……..…...…...…3
CONNECTIONS………………….……...……..…...…..…4
SET-UP/CONTROLS ……..………………..…….….…...6
INSTALLING NEON TUBES..…….…….………………..6
BASIC TROUBLESHOOTING..…….…….………………7
TYPICAL SYSTEM WIRING..…….…….……………..…8
EXPLODED VIEW/PARTS LIST…….….….…………....9
MECHANICAL PARTS LIST……………………………..10
AMPLIFIER BLOCK DIAGRAM…………………….……11
P.C.B. DRAWINGS….……………………………….…….12
ELECTRICAL PARTS LIST ..……….……….…….….…16
IC/TRANSISTOR PINOUTS..……..….…….….….….…..20
SCHEMATICS………..……………………….…………...24
PACKING……..…………………………………………....28
FEATURES/TEST CONDITIONS……..…………………2
INSTALLATION………………….……...……..…...…...…3
CONNECTIONS………………….……...……..…...…..…4
SET-UP/CONTROLS ……..………………..…….….…...6
INSTALLING NEON TUBES..…….…….………………..6
BASIC TROUBLESHOOTING..…….…….………………7
TYPICAL SYSTEM WIRING..…….…….……………..…8
EXPLODED VIEW/PARTS LIST…….….….…………....9
MECHANICAL PARTS LIST……………………………..10
AMPLIFIER BLOCK DIAGRAM…………………….……11
P.C.B. DRAWINGS….……………………………….…….12
ELECTRICAL PARTS LIST ..……….……….…….….…16
IC/TRANSISTOR PINOUTS..……..….…….….….….…..20
SCHEMATICS………..……………………….…………...24
PACKING……..…………………………………………....28
GTO 755.6 Specifications
Output Power:
60W RMS x 4 channels; 107W RMS x 2 channels
(14.4V supply)
@ 4 ohms; ≤1% THD + N
80W RMS x 4 channels; 150W x 2 channels
@ 2 ohms; ≤1% THD + N
160W RMS x 2 channels; 300W x 1 channel
@ 4 ohms; ≤1% THD + N
@ 2 ohms; ≤1% THD + N
160W RMS x 2 channels; 300W x 1 channel
@ 4 ohms; ≤1% THD + N
Signal-to-noise ratio:
79dBA (reference 1W into 4 ohms)
Dynamic power:
117W (channels 1,2,3,4) @ 2 ohms
163W (channels 5,6) @ 2 ohms
Effective damping factor:
6.39 @ 4 ohms
Frequency response:
10Hz – 47kHz (–3dB) (channels 1,2,3,4)
10Hz
–
302Hz
(channels
5,6)
Maximum input signal:
6.0V
Maximum sensitivity:
250mV
DC
Offset
<50mV
(-50%)
Output regulation:
.042dB @ 4 ohms
Idle
Current
1.9A
Input Impedance
22kΩ
Max Current Draw
50A @ 4 ohms
89A
@
2
ohms
Dimensions:
18 11/16 x 12 5/16 x 2 3/8”
(L x W x D)
(474mm
x
313mm
x
60mm)
Fuses:
30A
x
2
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.
this and related JBL publications are therefore subject to change without notice.
1
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