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ATON AH66T INSTALLATION MANUAL
© ATON 2010 | All rights reserved. Page 18
Stereo Zone w/ Mono Sub-Zone
If both stereo and mono audio is needed in the same zone, set the AH66T outputs to stereo
and use RCA “Y” cables to “sum” the left and right preamp outputs to the amplifier.
In the example on the following page, Zone One is set to stereo output using the ATON
configuration software and the internal amplifier is connected to a pair of stereo speakers.
Since the internal amplifier and the preamp are “linked,” the preamp output is also stereo.
An RCA “Y” cable “sums” the left and right preamp output into the left channel input of the
A275. A single RCA is connected to the left line output of the A275 and takes the
“summed” signal into the right channel input of the A275.
The OLED2 controls the source selection for the zone and the volume for the stereo area’s
in-wall speakers connected to the AH66T’s internal amplifier. The amplified output of the
A275 is routed through ATON AVC100SL volume controls, providing each mono listening
area with independent volume control.