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In Reply to: Back to tubz. posted by Opus 33 1/3 on June 11, 2015 at 03:41:58:
Stock AI preamps are NOTORIOUS "tube eaters". The only 6922 variant tough enough for the job is the Russian 6n23p-ev. Tubes marketed as 6922 under the ElectroHarmonix brand are 6n23p-ev. Russian 6n23p stock lacking the ev suffix may fail quite quickly.Scan the archives. A "simple" modification for AI preamps that allows tube "rolling" to be attempted, with safety, has been posted more than once.
Jim McShane is currently away. He will return on Monday, 15 June.
Eli D.
Edits: 06/11/15
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Follow Ups
- RE: Back to tubz. - Eli Duttman 10:59:30 06/11/15 (5)
- The refurb unit bought comes from AI with 6H23N tubes, according to Galen. - Opus 33 1/3 11:34:32 06/11/15 (4)
- RE: The refurb unit bought comes from AI with 6H23N tubes, according to Galen. - Eli Duttman 18:35:55 06/11/15 (2)
- I ordered a quad of the EH 6922s as a backup to the stock tubes. - Opus 33 1/3 04:23:45 06/12/15 (1)
- RE: I ordered a quad of the EH 6922s as a backup to the stock tubes. - Eli Duttman 07:39:29 06/12/15 (0)
- RE: The refurb unit bought comes from AI with 6H23N tubes, according to Galen. - Sondek 11:49:20 06/11/15 (0)