User guide

© 2009 Wohler Technologies, Inc. All rights reserved.
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AVMFlex58W Series User Guide
Audio and Metering
frequencies (in stereo), but feature two woofer speakers to reproduce
the summed (combined) low-range audio frequencies from the left and
right speaker input channels. It should be noted that both woofer
speakers, which are wired in series, are driven from one woofer
speaker channel, and are not stereo.
See the simplified diagram below for a block diagram of the
AVMFlex58W Series audio amplifier/speaker configuration.
Figure 1–9 AVMFlex58W Series Audio Amplifier
And Speaker Block Diagram
Balance Control Characteristics
The balance control attenuates the signal from the source, so that the
left and right bass frequencies (summed together and reproduced in the
woofer channel) will also respond to the balance control.
If an audio signal of a voice speaking English is fed to the
A (left) input
and a voice speaking Spanish is fed to the B (right) input, then the left
EQ
EQ
Woofer
Speaker
High-Pass
Limiter
Low-PassSum
Limiter
High-Pass
Limiter
Left
Speaker
Right
Speaker
Woofer
Speaker
Left Speaker
Channel
Woofer Speaker
Channel
Right Speaker
Channel
AVMFlex Series (1U) Audio Amplifier and Speaker Block Diagram
Input B
(Right)
Input A
(Left)
Volume/
Balance
(VCO)
Lo-Freq
Amplifier
Amplifier A
Amplifier B
Example: The following example demonstrates how the inputs are routed and
the frequencies of the speakers.