• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
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    the safety precautions around high voltages.

Repair of Cayin HA-2 Tube Headphone Amp

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sta363

Member
Joined 2012
I have a Cayin HA-2 headphone amp which worked for several months, until the audio sound became almost minimal. You can still hear music, but just barely. This may be a problem with the volume control. Does anybody know a reputable repair company with experience to handle this kind of problem?

Thanks.
 
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