JBL PB12 Service Manual

Part# Designator Description
30502 C21 100nF 50V mono ceramic
30502 C22 100nF 50V mono ceramic
30502 C23 100nF 50V mono ceramic
30101 C3 220pF 50V mono ceramic
C30 NOT USED
30101 C4 220pF 50V mono ceramic
30101 C5 220pF 50V mono ceramic
30101 C6 220p 50V mono ceramic
C7 0r
C8 0r
40730 C9 1k .25W Metal Resistor
Resistors
40405 R1 4k7 .25W carbon
40409 R10 10k .25W carbon
40731 R11 59k .25W carbon
40504 R12 45k3 .25W metal
40412 R13 33k2 .25W metal
40709 R14 68k1 .25W metal
R15 NOT USED
R16 NOT USED
40732 R17 56k2 .25W metal
40722 R18 6k8 .25W carbon
40722 R19 6k8 .25W carbon
40405 R2 4k7 .25W carbon
40722 R20 6k8 .25W carbon
R21 0r
40722 R22 6k8 .25W carbon
R23 0r
40109 R24 604r .25W metal
40412 R25 33k2 .25W metal
40405 R26 4k7 .25W metal
40109 R27 604r .25W metal
40412 R28 33k2 .25W metal
40406 R3 100k .25W carbon
40403 R30 10k .25W metal
40733 R33 12k1 .25W metal
40734 R34 120k .25W metal
40451 R35 137k .25W metal
40406 R4 100k .25W carbon
40406 R5 100k .25W carbon
40406 R6 100k .25W carbon
40717 R8 2k7 .25W carbon
40717 R9 2k7 .25W carbon
13

JBL PB12 Specifications

General

Type	Powered
Woofer Size	12 inches
Frequency Response	150 Hz
Enclosure Type	Bass Reflex
Low Pass Crossover	50Hz - 150Hz