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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: 6X4 Rectifier Questions posted by FlaCharlie on April 17, 2017 at 10:36:00:
It's OK to power an indirectly-heated rectifier with a common filament winding that's grounded, as long as the cathode/heater voltage rating isn't exceeded. However, the 6X4 is a special case. Despite its 450V rating (cathode positive WRT the heater), there have been frequent reports of cathode-filament shorts when operated with the filament at DC ground. The '60s era Akai/Roberts tape decks used this tube and were inherently reliable, but they all employed a separate, ungrounded winding just for the 6X4.
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Follow Ups
- RE: 6X4 Rectifier Questions - Triode_Kingdom 10:58:30 04/17/17 (0)
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