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6. There is a mechanical hum coming from the unit.
• This symptom suggests you have a lot of electrical noise on
your AC mains line. Try connecting to another AC circuit (not
merely a different plug, but a different circuit).
• Check to see if you have any halogen lighting or dimmers on the
same circuit as the preampli–er, as they can be the cause of hum
in power supply transformers.
7. There is a noticeable change in volume between one input
and another, even though the volume was not adjusted.
• You may need to adjust the input offset setting to compensate
for differences in output level between source components.
Conversely, the input offset setting may have been adjusted
inappropriately. Either way, you can correct the problem by
going to the following location in the menu system:
Menu
➝
system setup
➝
input
➝
input name
➝
offset
where
input name
is the input which needs to be adjusted.
input name is the input which needs to be adjusted.input name
• If the input that seems incorrect is the phono input, make sure
you are using the proper gain setting for the type of cartridge
you are using. If in doubt, consult with your authorized Classé
dealer.