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n6kzw n6kzw is offline
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Default Tried to recap a tube receiver, and failed.

On Apr 27, 8:39 pm, (Derwin) wrote:
I tried to re-cap a tube receiver (amplifier + tuner), and now when I turn it
on it starts playing music for a few seconds after it warms up, then the music
fades out and and hum takes over. I don't really know what I'm doing, and the
wiring inside looks like a mess of spaghetti. I'm pretty sure I replaced the
caps properly, but I used .068uf WIMA caps to replace .050uf wax/paper caps,
and I'm wondering if the value difference, added up over 8 caps would make a
difference? Other than that, does anyone have any advice based on my
description of the unit's behavior? Any comments whatsoever might be helpful..


the squishy sound was due to power supply issues... could have been
a cap issue floating around.. u need to take careful measurements of
ur power supply a VTVM will not load down the circuits when u look at
them.. good luck