In Reply to: RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? posted by banpuku on November 7, 2016 at 11:14:54:
"My real desire regarding the V4 tubes is to get rid of the filament's cathode resistor and cathode bypass cap"A V4 tube (octal base) is no more able to do this than an UX-4 based tube. In cathode-biased ac-heated circuit terms, the V4 has a centre-tapped filament, whereas with a UX-4 based tube you need need to derive the centre-tap either using resistors (and perhaps a hum pot) or by using a centre-tapped filament transformer. Using a V4 tube allows you to dispense with the two centre-tapping resistors, NOT the cathode resistor and bypass cap
Just curious, what cathode resistors and capacitors are you using? If you would like to dispense with them, filament or active bias are your options; however, probably best to leave either of those alone until you well understand how to implement them.
Cheers,
91.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
Edits: 11/09/16
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Follow Ups
- RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? - 91derlust 19:04:02 11/09/16 (5)
- RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? - banpuku 05:56:43 11/10/16 (4)
- RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? - 91derlust 14:33:06 11/10/16 (3)
- RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? - banpuku 15:06:44 11/10/16 (2)
- RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? - 91derlust 17:16:55 11/10/16 (1)
- RE: EML solid Plate 45 vs. EML mesh Plate 45 .........better for SET ? - banpuku 17:35:05 11/10/16 (0)