UX201 or UV199 Substitute

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UX201 or UV199 Substitute

Phlogiston
Radio-Fixer-Upper

Posts: 2,118
Threads: 112
Joined: Jun 2010
City: Medford OR (OR what?)

#14

12-11-2017, 11:29 AM

Yes, that is why I was considering using the 3S4 as a replacement for the UX120 output tube. But, the 3S4 really isn't any different spec.-wise than the 3V4 except for the 67V screen. I don't think that there would be a noticeable improvement in audio output. In the actual application of the sub. 3V4 there is plenty of output to cover a UV120. At this point my interest would be in adding a resistor between the plate and screen for the 3S4 and evaluating it as an additional option.

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Messages In This Thread

UX201 or UV199 Substitute - by Phlogiston - 12-04-2017, 04:03 PM

RE: UX201 or 01A Subsistute - by Arran - 12-06-2017, 01:01 AM

RE: UX201 or 01A Subsistute - by Radioroslyn - 12-06-2017, 11:24 AM

RE: UX201 or 01A Subsistute - by Phlogiston - 12-06-2017, 12:05 PM

RE: UX201 or 01A Subsistute - by Ron Ramirez - 12-06-2017, 01:34 PM

RE: UX201 or 01A Subsistute - by Phlogiston - 12-06-2017, 02:18 PM

RE: UX201 or 01A Subsistute - by Arran - 12-07-2017, 01:01 AM

RE: UX201 or 01A Subsistute - by Phlogiston - 12-07-2017, 12:05 PM

RE: UX201 or 01A Substitute - by Arran - 12-08-2017, 12:11 AM

RE: UX201 or 01A Substitute - by Phlogiston - 12-08-2017, 01:01 PM

RE: UX201 or UV199 Substitute - by Arran - 12-10-2017, 02:51 AM

RE: UX201 or UV199 Substitute - by Phlogiston - 12-10-2017, 11:06 AM

RE: UX201 or UV199 Substitute - by Arran - 12-11-2017, 12:49 AM

RE: UX201 or UV199 Substitute - by Phlogiston - 12-11-2017, 11:29 AM

RE: UX201 or UV199 Substitute - by Arran - 12-12-2017, 06:26 AM

RE: UX201 or UV199 Substitute - by Phlogiston - 12-12-2017, 11:55 AM

RE: UX201 or UV199 Substitute - by Arran - 12-13-2017, 03:51 AM

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