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Old 18th Feb 2019, 8:03 pm   #41
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Ferrograph 4A: Restoration advice needed

I wouldn't test run of the mill usual suspect capacitors, by the time they've been unsoldered, tested and re-soldered might just as well replace them instead, having said that, each to their own.

I would replace C1 with a 1,000 VDC polypropylene type.

I've had suflex types give problems in radios, TV's, tape recorders and test equipment, just my observation.

Lawrence.
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