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RE: hum through both speakers; AC regenerator

Hi ET,
Unfortunately, my reported success was premature.
Hum still present.
Tried replacing preamp tubes, but that did not get rid of the hum.
Finally replaced the tube preamp with a Spectral DMC-10 that I have -- hum gone. Any ideas/suggestions why the tube preamp would be associated with hum from both channels? -- it was quiet until a few days ago.

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  • RE: hum through both speakers; AC regenerator - undhilled 05:59:04 08/28/12 (0)


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