In Reply to: Noise on preamp posted by neolith on April 25, 2021 at 08:38:36:
As the filter capacitors allow some seconds of operation when powering off the unit you should check if the 'jittery noise' persists immediately after turning off the preamplifier.
If it disappears the probable culprit is a bad earth solder joint.
Omnes feriunt, ultima necat.
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Follow Ups
- A simple check - cellailuca 09:26:06 04/26/21 (2)
- RE: A simple check - neolith 13:37:06 04/27/21 (1)
- RE: A simple check - rivervalley817 14:20:54 04/27/21 (0)