User guide
© 2009 Wohler Technologies, Inc. All rights reserved.
23
 AMP1A Series User Guide
Technical Functional Overview
Figure 1–19 AM1A-30 Block Diagram
Left 
Speaker
Stereo Analog 
Amplifier
Volume
Balance
Woofer
Speaker
Phase Indication
Right 
Speaker
Headphone
Woofer
Speaker
Right
Left
 Left Analog 
Input (A)
Loop-Thru
Loop-Thru
 Right Analog 
Input (B)
Right
Left
30-Segment
High-Visibility
Level Meters










