Operation; Sb 33 A Internal Amplifier Front Panel (Inside Right Speaker Module) - Extron electronics SB 33 A Series User Manual

Operation

Topics covered in this section of the guide include the following:
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•

SB 33 A Internal Amplifier Front Panel (Inside Right Speaker Module)

Figure 38.
A
B
C
D
A
B
SB 33 A Internal Amplifier Front Panel (Inside Right Speaker Module)
Internal Adjustments
POWER
12V
0.7A MAX
A
B C
Front Panel of the SB 33 A Amplifier
POWER LED
Amplifier power supply connector
Captive screw balanced or
unbalanced audio input connector
RCA unbalanced stereo input
connectors
POWER LED — The LED lights green when the amplifier is receiving power and active.
It lights amber when the unit is powered down (after 25 minutes of inactivity).
Amplifier power supply connector — Connect one end of the DC power cord to
one of the two pole, 3.5 mm captive screw outlets on the power supply. Connect the
other end into the power receptacle on the rear panel of the amplifier (see
page 27). The power cord connectors are correctly wired when shipped.
LEVEL
L R
L R
D
E
3.5 mm unbalanced stereo input jack
E
LEVEL, BASS, and TREBLE
F
potentiometers
Remote volume control connector
G
Left Speaker output receptacle (to left
H
speaker)
SB 33 A Series User Guide • Operation
CLASS 2 WIRING
H
L SPEAKER
BASS TREBLE
V C G
10V 50mA
G
F
figure 40 on
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