JBL CS60.4, Service Manual, Page: 2 / 21

- CONTENTS -
SPECIFICATIONS ………………………………………..1
PACKAGING……………………………………………….2
CONNECTIONS..…….…….….……………………..……3
SET-UP/CONTROLS..………………………………....…4
BASIC TROUBLESHOOTING..…….…….………………4
EXPLODED VIEW/PARTS LIST…….….….…………....5
AMPLIFIER BLOCK DIAGRAM…………………….……6
P.C.B. DRAWINGS….……………………………….…….7
ELECTRICAL PARTS LIST ..……….……….…….….…11
IC/TRANSISTOR PINOUTS..……..….…….….….….…..1
5
SCHEMATICS………..…………………………….……...
16
CS60.4 Specifications
Output Power: 60W RMS x 4 channels @ 4 ohms;
≤
1% THD + N
(14.4V supply) 80W RMS x 4 channels @ 2 ohms;
≤
1% THD + N
160W RMS x 2 channels @ 4 ohms;
≤
1% THD + N
Signal-to-noise ratio: 86dBA (reference 1W into 4 ohms)
Dynamic power: 145W @ 2 ohms
Effective damping factor: 6.395 @ 4 ohms
Frequency response: 10Hz – 27kHz (–3dB)
Maximum input signal: 6V
Maximum sensitivity: 100mV
Bass boost (45Hz) Variable 0 – 6dB
DC Offset <30mV
Output regulation: .03dB @ 4 ohms
Idle Current 0.65A
Input Impedance 20k
Ω
Max Current Draw 26A @ 4 ohms
49A @ 2 ohms
Dimensions: 13 1/4 x 10 1/4 x 2 3/16” (L x W x H)
(336mm x 260mm x 55mm)
Fuses: 25A 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.
CS Series 60.4
1