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In Reply to: BTW, how do I get rid of the residual hum still remaining on the Phono Stage? posted by crooner on September 17, 2004 at 11:26:39:
There could be grounding or shielding issues, or this noise is riding on your B+. The phono stage is amplifying many times more than the line stage which will bring out the noise. This noise is likely present in your line stage as well, it is just not amplified as much.You could try dropping in a Choke in the power supply, upping the capacitor values or removing the transformer to a separate box and using an umbilical.
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Follow Ups
- 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)