'Figaro Special'

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'Figaro Special'

Refugee

Senior Engineer in Charge

Posts: 3,286
Reputation: 6
Location: Worksop

#18

12-02-2016, 01:01 PM

I had some 100Hz hum on a valve amp and it turned out to be earthing of the smoothing capacitor.
The cure was to earth the smoothing capacitor to the physical 0V terminal on the mains transformer. You might need to insulate the can from the chassis.

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Messages In This Thread

'Figaro Special' - by Yorkie - 10-01-2016, 05:52 PM

RE: 'Figaro Special' - by Radio Fixer - 11-01-2016, 03:24 PM

RE: 'Figaro Special' - by Yorkie - 11-01-2016, 04:54 PM

RE: 'Figaro Special' - by Yorkie - 08-02-2016, 10:23 AM

RE: 'Figaro Special' - by Yorkie - 08-02-2016, 11:03 AM

RE: 'Figaro Special' - by Terry - 08-02-2016, 11:37 AM

RE: 'Figaro Special' - by Yorkie - 08-02-2016, 02:58 PM

RE: 'Figaro Special' - by Radio Fixer - 08-02-2016, 03:14 PM

RE: 'Figaro Special' - by Yorkie - 09-02-2016, 10:10 AM

RE: 'Figaro Special' - by Terry - 08-02-2016, 06:28 PM

RE: 'Figaro Special' - by Old Sparky - 09-02-2016, 09:30 AM

RE: 'Figaro Special' - by Yorkie - 09-02-2016, 10:04 AM

RE: 'Figaro Special' - by Yorkie - 11-02-2016, 08:14 PM

RE: 'Figaro Special' - by Yorkie - 12-02-2016, 09:16 AM

RE: 'Figaro Special' - by Radio Fixer - 12-02-2016, 09:33 AM

RE: 'Figaro Special' - by Yorkie - 12-02-2016, 09:48 AM

RE: 'Figaro Special' - by Terry - 12-02-2016, 11:18 AM

RE: 'Figaro Special' - by Refugee - 12-02-2016, 01:01 PM

RE: 'Figaro Special' - by Yorkie - 12-02-2016, 01:43 PM

RE: 'Figaro Special' - by Yorkie - 12-02-2016, 05:53 PM

RE: 'Figaro Special' - by Radio Fixer - 12-02-2016, 06:00 PM

RE: 'Figaro Special' - by Excessive Leakage - 12-02-2016, 08:59 PM

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