© 2003 Wohler Technologies Inc. ALL rights reserved
22
AMP2A-4S
and
AMP2A-10S
User Manual P/N
821554
Rev-
B
AMP2A-10S Interconnect Block Diagram
Section 3: Technical Information
1
Channel
A (Left)
Inputs
CH. A (L)
Selected
Output
(XLRM)
CH. B (R)
Source Select
Switch
Rear
Panel
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
10
9
3
Channel
B (Right)
Inputs
6
7
8
5
4
2
1
2
1
6
10
9
7
8
4
5
3
Input Select Switch
(ISS) Analog Switch
PCB
919013S
4
2
3
10
1
6
5
SOURCE
7
9
8
Left
Right
Balanced Inputs on
Phoenix Connectors
L
R
Rear
Panel
Left
Side
Speaker
Phase
Indication
Woofer
Speaker
Right
Side
Speaker
919084
Phase
Indication
PCB
Audio Amplifier PCB
919100-2
or
919164
R
L
Headphone
Balance
Volume
Rev-A
(01/06/03
)
20-Segment
LED Bargraph
Level Meters
Analog Input Impedance:
Phoenix =
40K
Ω,
Balanced
= Phoenix, 3-Pin, Male
Connector Legend
AMP2A-10S Block Dia
g
ram
= XLR-M, 3-Pin, Male
DIP Switches
(Input Level Gain Calib.
and Display Mode)
Accessed through
top cover
919030L
Left
Bargraph
Driver PCB
Right
Bargraph
Driver PCB
919030R