ATON Stereo Amplifier A275 User Manual

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ATON
Page 14 © ATON 2010 • All rights reserved.
A275 INSTALLATION MANUAL
Symptom Possible Cause Solution
Distorted Audio at Normal
Volume Levels
1. Input gain set too high
2. Defective/incompatible speaker
3. Volume control wired incorrectly
4. Volume control Impedance Match
settings incorrect
1. Reduce gain to the channel in question.
2. (a) Check for physical damage to
speaker.
(b) Ensure speakers have appropriate
power rating for amplifier.
(c) Ensure speakers are rated @ 8 Ohm
impedance. This amp is compatible with
speakers with 8 Ohm impedance or greater.
3. Check for proper input/output connec-
tions at volume control. Input comes from
amplifier, output goes to speakers.
4. Verify/correct Impedance Match settings.
Audio is Unclear, Bass
Response Low
Speakers out of phase Verify that + of amplifier goes to +of speak-
er and - of amplifier goes to - of speaker
on ALL speaker leads.
Incorrect Source Playing
on Speakers
1. Source connected to wrong
input of amplifier
2. Speakers connected to incorrect
speaker outputs
3. DIP switches set incorrectly
1. Verify/correct input connections.
2. Verify/correct speaker connections.
3. Verify/correct DIP switch settings.
Amplifier Will Not
Power Up
1. Power switch is Off
2. Circuit breaker tripped
1. Turn switch On. Switch is located on the
back of unit.
2. Reset circuit breaker. Ensure that com-
bined current draw of all devices on circuit
does not exceed the circuit’s capacity.
Technical Support
If, after carefully following the steps in the Troubleshooting section, you are unable to
resolve issues with the installation or operation of the A275, please call ATON Technical
Support at 1 (859) 422-7137 Option 3.

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