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In the Forum: Analog Playback
In the Thread: 834p modding..."humming" along a bit too much...
Post Subject: Confirming humPosted by keithiopian on: 6/11/2020
tried with everything back reassembled (enclosed w/ copper shielding and such)...still a hum. Both MC and MM, slightly less on both when put in a lifted-ground japanese plug. Possibly relevant, there also seems to be a secondary noise, more of an oscillator/very slow tremolo.
(Also for now just testing with the default "selected" tubes it came with, tho i'm hoping to put in windmill raytheon 5751 eventually...worth a shot trying other new make 12ax7s?)

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