User guide
© 2009 Wohler Technologies, Inc. All rights reserved.
26
 AMP1A Series User Guide
Technical Functional Overview
Figure 1–22 AMP1A Plus Block Diagram
Left 
Speaker
Stereo Analog 
Amplifier
Volume
Balance
Woofer
Speaker
Right 
Speaker
Headphone
Woofer
Speaker
Right Input
(Chan. B)
(Chan. A)
2
1
Left Input
Right
Left
1
2
1
2
2
1
R
L
Selected Source Output
Select
Stereo 
Source 










