User guide
© 2009 Wohler Technologies, Inc. All rights reserved.
25
 AMP1A Series User Guide
Technical Functional Overview
Figure 1–21 AMP1A-LP10S Block Diagram
10-Segment
Level Meters
Left
Speaker
Stereo Analog 
Amplifier
Volume
Balance
Woofer
Speaker
Phase Indication
Right 
Speaker
Headphone
Woofer
Speaker
Right
Left
R
L
Stereo Output of
Selected Source
9
10
3
6
8
7
Analog 
Inputs
5
4
2
1
Source 
Pair
Select
Right Input 
Left Input 
6
5
7
9
3
2
1
10
4
8










