well, it sounds like there is an ongoing problem.. since it requires service.. that's why companies have warranty's, for problem that crop up in the first 1yr, 2yrs or whatever.

If you can live with it.. more power to you. I would be upset to have to live with a problem like that.

good luck.
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Outlaw Audio 990 pre amp
Adire Audio sub (SVS 12.2 driver)
CAL Alpha tube DAC
Parasound P/HP-850 2 CH pre
Pioneer PL-530 TT
Polk Audio SDA 2B
NAD 2600A amp
Danger Boy here