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UX201 or UV199 Substitute
#15

Russ;
  What about trying a 3Q4 in place of the 3S4, they appear to have the same pinout, and the B+ rating is higher on the 3Q4? That way you can use the same adapter, however I think that the 3Q4 is basically the same tube as a 3V4 electrically.
Regards
Arran


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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