© 2006 Wohler Technologies Inc. ALL rights reserved
21
AMP2A
and
AMP2A-2S
User Manual P/N
821553
Rev-
B
AMP2A-2S Interconnect Block Diagram
Section 3: Technical Information
Analog In
Source
1
Analog In
Source
2
Analog In
Source
1
Analog In
Source
2
Channel A
(Left)
Channel B
(Right)
CH. A (L)
Selected
Output
CH. B (R)
Source
Select
Switch
Rear
Panel
1
2
1
2
Audio Amplifier PCB
919100-2
or
919164
Volume
Left
Side
Speaker
Right
Side
Speaker
Balance
Woofer
Speaker
Headphone
Phase
Indication
PCB
919084
AMP2A-2S Block Diagram
Rear
Panel
2
1
L
R
Right
Left
L
R
Phase
Indication
20-Segment
LED Bargraph
Level Meters
Rev-A (12/17/02)
Connector Legend
= XLR-F, 3-Pin, Female
= XLR-M, 3-Pin, Male
Analog Input Impedance:
XLR =
200K
Ω,
Balanced
DIP Switches
(Gain Calib.
and Display Mode)
Accessed through
top cover
919030L
Left
Bargraph
Driver PCB
Right
Bargraph
Driver PCB
919030R