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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Sonic Observations - Replaced Selenium on PAS posted by crooner on September 16, 2004 at 22:57:13:
Line stage has the usual hiss at maximum volume but no discernible hum.Phono has a 120 Hz constant hum that increases with volume. It can be heard faintly between cuts or during low passages in a record. Not terribly distracting but it's there.
Hum is still present with the phono cartridge disconnected.
Filter caps are new, as well as the heater rectifier circuit.
This PAS was factory wired and all leads appear to be well dressed.
Any ideas on how to get rid of the hum?
Regards,
crooner
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Follow Ups
- BTW, how do I get rid of the residual hum still remaining on the Phono Stage? - crooner 11:26:39 09/17/04 (6)
- Re: BTW, how do I get rid of the residual hum still remaining on the Phono Stage? - Sherlock 15:45:46 09/18/04 (4)
- Thanks that's a great suggestion... - crooner 23:38:36 09/18/04 (3)
- Re: Thanks that's a great suggestion... - Sherlock 17:42:05 09/19/04 (0)
- Re: Thanks that's a great suggestion... - Sherlock 17:40:25 09/19/04 (1)
- Re: Thanks that's a great suggestion... - Sherlock 17:43:01 09/19/04 (0)
- Re: BTW, how do I get rid of the residual hum still remaining on the Phono Stage? - Chris O 12:28:59 09/17/04 (0)
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