Contents; Specifications - JBL GTO504 Service Manual

GTO504
GTO 504 Specifications
Output Power:
(14.4V supply)
Signal-to-noise ratio:
Dynamic power:
Frequency response:
THD+N 1KHz LPF=22KHz
Channel Separation
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 Voltages
Turn-on delay time
Circuit Protection
Dimensions:
Fuses:
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.

- 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
ELECTRICAL PARTS LIST ....................................8
P.C.B. DRAWINGS...............................................12
IC/TRANSISTOR PINOUTS....................................18
SCHEMATICS.....................................................19
55W RMS x 4 channels @ 4 ohms; ≤1% THD + N
70W RMS x 4 channels @ 2 ohms; ≤1% THD + N
140W RMS x 1 channel (bridged) @ 4 ohms; ≤1% THD + N
90dBA (reference 1W into 4 ohms)
105dBA (reference rated power into 4 ohms)
80W @ 2 ohms
10Hz – 100kHz (–3dB)
≤0.05% (rated power @ 4 ohms)
≥45db (full rated power)
6.0V
100mV
32Hz – 320Hz ±20%
0-6dB
<30mV
.03dB @ 4 ohms
1.2A
<35A @ 2 ohms both channels driven
ON 5V OFF 4V
2-3 sec
Temperature (80±5C), Short circuit, Operating voltage range (8-16V)
13 13/16 x 10 3/8 x 2 1/8" (350 x 263 x 53mm)
(2) x 20A
1