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Tape Tech / excessive hiss on playback sudddenly
« on: July 17, 2010, 03:40:07 PM »
My Revox PR99 II has been running beautifully but now is creating a lot of hiss on playback. No hiss when monitoring thru SOURCE, only on REPRO. Demag-ed, cleaned heads, the machine is biased correctly, switched out tapes, etc. It's even on both channels, and there is some very low-level, dark random popping on the right side only.
I've opened it up and don't see anything obvious like a blown cap (I'm thinking the power supply, since it's the same on both channels).
the unit has not been recapped and was sitting in storage for a long tim,e before I got it and started using it about 3 months ago. Up until now it has been performing beautifully.
Glad to be new to this forum, and thanks, in advance, for any insight,
David
I've opened it up and don't see anything obvious like a blown cap (I'm thinking the power supply, since it's the same on both channels).
the unit has not been recapped and was sitting in storage for a long tim,e before I got it and started using it about 3 months ago. Up until now it has been performing beautifully.
Glad to be new to this forum, and thanks, in advance, for any insight,
David