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?)

#16

12-12-2017, 10:55 AM

Of the 6469 spare tubes I have not one is a 3Q4.

I have made the adaptors for the UX99 and UX120, but I have not tried them yet. I'll probably get to that soon. One of them is set up for the 3S4 - but with 90V going to the screen. This is probably going to work but with some extra screen current which would not be detectable - unless the tube fails.

"I just might turn into smoke, but I feel fine"
http://www.russoldradios.com/

(This post was last modified: 12-12-2017, 10:58 AM by Phlogiston.)

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Messages In This Thread

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

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

RE: UX201 or 01A Subsistute - by Radioroslyn - 12-06-2017, 10:24 AM

RE: UX201 or 01A Subsistute - by Phlogiston - 12-06-2017, 11:05 AM

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

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

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

RE: UX201 or 01A Subsistute - by Phlogiston - 12-07-2017, 11:05 AM

RE: UX201 or 01A Substitute - by Arran - 12-07-2017, 11:11 PM

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

RE: UX201 or UV199 Substitute - by Arran - 12-10-2017, 01:51 AM

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

RE: UX201 or UV199 Substitute - by Arran - 12-10-2017, 11:49 PM

RE: UX201 or UV199 Substitute - by Phlogiston - 12-11-2017, 10:29 AM

RE: UX201 or UV199 Substitute - by Arran - 12-12-2017, 05:26 AM

RE: UX201 or UV199 Substitute - by Phlogiston - 12-12-2017, 10:55 AM

RE: UX201 or UV199 Substitute - by Arran - 12-13-2017, 02:51 AM

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