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In Reply to: Rectifer Tube Choice for easy on the other components............. posted by Cut-Throat on April 1, 2021 at 16:53:19:
Forward drop in 5Y3s is large. You may be hearing the reduction in B+ rail voltage.
If, as the schematic suggests, you're taking the "raw" B+ from pin 8 of the rectifier socket, try a Bendix/Red Bank 6106. It's a variation on the 5Y3 theme that is constructed with a cathode sleeve. Vacuum rectifiers with cathode sleeves exhibit slow B+ rail rise.
BTW, the original use for 6106s was in Nike SAM systems. Bendix/Red Bank is THE epitome of rugged and reliable.
Eli D.
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Follow Ups
- RE: Rectifer Tube Choice for easy on the other components............. - Eli Duttman 19:26:10 04/01/21 (7)
- RE: Rectifer Tube Choice for easy on the other components............. - Cut-Throat 12:22:38 04/02/21 (6)
- RE: Rectifer Tube Choice for easy on the other components............. - PakProtector 03:59:35 04/05/21 (1)
- RE: Rectifer Tube Choice for easy on the other components............. - vacuumtube1954 05:06:33 04/05/21 (0)
- RE: Rectifer Tube Choice for easy on the other components............. - Eli Duttman 14:40:18 04/02/21 (3)
- RE: Rectifer Tube Choice for easy on the other components............. - Cut-Throat 14:59:19 04/02/21 (2)
- RE: Rectifer Tube Choice for easy on the other components............. - Eli Duttman 16:59:24 04/02/21 (1)
- RE: Rectifer Tube Choice for easy on the other components............. - Cut-Throat 17:10:19 04/02/21 (0)