B&K ST55.2 User Manual
3
REAR PANEL
R LEVEL
L LEVEL
HI
LO
HI
LO
BUS INPUT
LEFT
RIGHT
LEFT
RIGHT
MONO
BUS OUTPUT
WHEN SWITCH IS SET TO ENABLE, THE
AMPLIFIER WILL ONLY OPERATE WHILE
A 5-24VDC SIGNAL IS APPLIED TO CTRL IN
AMPLIFIER WILL ONLY OPERATE WHILE
A 5-24VDC SIGNAL IS APPLIED TO CTRL IN
WHEN SWITCH IS SET TO ENABLE, THE
AMPLIFIER WILL ONLY OPERATE WHILE
A 5-24VDC SIGNAL IS APPLIED TO CTRL IN
AMPLIFIER WILL ONLY OPERATE WHILE
A 5-24VDC SIGNAL IS APPLIED TO CTRL IN
DEFEAT
CTRL IN
ENABLE
CTRL IN
ENABLE
CONTROL I/O
CTRL
OUT
CTRL
OUT
12VDC
125mA
12VDC
125mA
CTRL
IN
CTRL
IN
W S
S
B
.
E IMPLY OUND ETTER
B&K
C A U T I O N
R I S K O F E L E C T R I C S H O C K
D O N O T O P E N
R I S K O F E L E C T R I C S H O C K
D O N O T O P E N
SERIAL #
FUSE
CAUTION: FOR CONTINUED
PROTECTION AGAINST RISK
OF FIRE REPLACE ONLY WITH
SAME TYPE AND RATING.
MINUS
PLUS
PLUS
MINUS
RIGHT
LEFT
LEVEL CONTROLS
B&K Components, Ltd.
Made in the U.S.A.
B&K Components, Ltd.
Made in the U.S.A.
www.bkcomp.com
AC LINE
-
2
1
3
7
6
5
4
1. AC fuse holder - Holds the AC Line fuse. This fuse is an 8 Amp / 250 Volt Slow Blow fuse. Replace with same
type and value fuse only.
2. AC Input receptacle - For attaching the supplied AC power cord to the amplifier.
3. Speaker outputs - For connecting the speakers to the amplifier. Explained further on page 8.
4. Amplifier control muting input/output - To provide remote switching of mute on/off of the amplifier.
Explained further on page 5
5. Line level outputs - For connecting signal to another amplifier (daisy chaining).
6. RCA inputs - For connecting signal patch cables (interconnects) from the preamplifier to the amplifier to pass
signal.
7.Level controls - For adjusting the input level to the amplifier. Explained further on page 6.