Infinity 5760a Reference Series Service Manual page 2

Power Amplifier
SPECIFICATIONS ................................................1
FEATURES/TEST CONDITIONS.............................2
CONTROLS/CONNECTIONS...................................3
INSTALLATION......................................................5
BASIC TROUBLESHOOTING..................................8
TYPICAL SYSTEM WIRING....................................9
EXPLODED VIEW/PARTS LIST..............................10
MECHANICAL PARTS LIST..................................11
AMPLIFIER BLOCK DIAGRAM..............................12
P.C.B. DRAWINGS...............................................13
ELECTRICAL PARTS LIST .................................. 17
IC/TRANSISTOR PINOUTS............................... .....21
SCHEMATICS......................................................24
PACKING...........................................................28
Reference 5760a Specifications
Output Power:
Signal-to-noise ratio:
Dynamic power:
Effective damping factor:
Frequency response:
Maximum input signal:
Maximum sensitivity:
DC Offset
Output regulation:
Idle Current
Input Impedance
Max Current Draw
Dimensions:
Fuse:
Infinity 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 -
56W RMS x 4 and107W RMS x 2 channels @ 4 ohms; ≤1% THD + N
80W RMS x 4 and150W RMS x 2 channels @ 2 ohms; ≤1% THD + N
148W RMS x 2 and 287W RMS x 1 channels @ 4 ohms; ≤1% THD + N
82dBA (reference 1W into 4 ohms)
117W channels 1,2,3,4; 163W channels 5,6 @ 2 ohms
6.373 @ 4 ohms
10Hz – 57kHz channels 1,2,3,4; 10Hz – 302Hz channels 5,6
6.3V
250mV
<50mV (-50%)
.063dB @ 4 ohms
2.1A
22kΩ
34A @ 4 ohms
88A @ 2 ohms
89.5 @ 4 ohm bridged
12 x 18 1/2 x 2 11/16" (L x W x D)
(305mm x 470mm x 68mm)
2 x 30A
1
Ref5760a