User guide

© 2010 Wohler Technologies, Inc. All rights reserved.
9
AMP2A-10S User Guide
Rear Panel Connectors
intermittent instantaneous out-of-phase and in-phase conditions
(small LEDs), a steady red glow of the larger LED almost always
indicates an out-of-phase alarm condition.
• Balance Control Pot: This control pans the volume balance
between the left and right speakers.
• Source Select Switch: This 10-position rotary switch selects one of
ten stereo pair inputs for monitoring through the speakers (or
headphones) and level meters. The numbers on this switch
correspond to the numbers silk-screened above the Analog Input
connectors on the rear panel (See Figure 1–2 below).
Rear Panel Connectors
Figure 1–2 AMP2A-10S Rear Panel
Power Connector
• Power (IEC-320): Attach a standard IEC power cord between this
connector and mains power (100 to 250VAC, 50/60 Hz). The front
panel P
ower Indication LED will glow green to indicate
operating voltages are present.
• Analog Input Connectors - Balanced Phoenix: These 3-pin male
Phoenix connectors inputs,
CHANNEL A (LEFT) and CHANNEL B
(RIGHT)
accept standard analog audio signals and are configured
for balanced 40K  connections. The two banks of inputs are
comprised of ten connectors each for a total of twenty inputs (ten
stereo pairs). Stereo pair numbers silk-screened above the
connectors correspond to the numbers available for selection by the
Source Select Switch on the front panel.
253862-01
AMP2A-10S
SELECTED OUTPUT
3
1 2
CH. A (L)
2
3
1
CH. B (R)
CHANNEL B
(RIGHT)
(LEFT)
CHANNEL A
21
INPUTS
5
4
3
76
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Wohler
Technologies
[phone]
[phone]
www.Wohler.com
Fax
Tel
YEAR
MONTH
SERIAL NO.
100-240 VAC
50/60 Hz 1.0 A
MADE IN U.S.A.
Power
Analog Inputs (Left and Right)
Analog Outputs (Left and Right)