[78-L] turntable hum mystery
David Breneman
david_breneman at yahoo.com
Fri Nov 9 14:16:34 PST 2012
--- On Thu, 11/8/12, neechevoneeznayou at gmail.com <neechevoneeznayou at gmail.com> wrote:
> Later I was thinking I was hearing much hum from the records. Surely
> they didn't record that much hum in so many records did they? Upon
> further investigation, it appears not to be from the records. It is
> only
> when the table is on and the stylus in contact with the record.
> Lift the
> stylus even the tiniest bit and the hum goes away. Turn the thing off,
> even with the stylus on the record, and the hum goes away.
Sounds to me like a vibration. Is is possible to set the
stylus down so it touches the turntable base while the
turntable is running? I had a jukebox that was exhibiting
this exact same problem. It sounded for all the world like
a 60 Hz leak from a bad rectifier, but it was rumble.
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