help with some Left Channel Noise...

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Just took delivery of a Sansui AU-9500. Really thrilled. I knew that there was something wrong- the previous owner described a "hiss" in the Left Channel.

That "hiss" is actually more like a low level crackle in the left channel. Unrelated to volume, source or balance. Disappears after around 5 minutes.

Something simple? Worrisome? Common easy fix?
 
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This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.