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1. [Amps] Project for 8122 tubes (score: 1): Author: "sulai je" <7z1sj@jeeran.com>; Date: Tue, 14 Aug 2007 13:03:08 +0300; Hello I had some RCA 8122 tubes in my junk box since long time. Thinking to use them in a homebrew project so I start to search for an amplifier project! Either to UHF or VHF . HF Googling the net yi; /archives//html/Amps/2007-08/msg00069.html (6,569 bytes)
2. Re: [Amps] Project for 8122 tubes (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Tue, 14 Aug 2007 09:23:09 -0400; 8122 tubes were used in a few amplifiers but not not many. They were an inexpensive solution for mobile amplifiers and for some larger amplifiers. They are very similar to 4cx250F tubes but have a so; /archives//html/Amps/2007-08/msg00072.html (8,661 bytes)
3. Re: [Amps] Project for 8122 tubes (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Tue, 14 Aug 2007 09:51:57 -0400; The military used them at UHF in cavities. You could also look at the various 4CX250 VHF/UHF Handbook and magazine amps for circuits. Then adjust RF circuitry for the different values of the 8122. Th; /archives//html/Amps/2007-08/msg00074.html (8,421 bytes)
4. Re: [Amps] Project for 8122 tubes (score: 1): Author: "Pat Barthelow" <aa6eg@hotmail.com>; Date: Tue, 14 Aug 2007 09:42:37 -0700; folks: Are 8122 Tubes that have been in storage for possibly Decades without use, likely to have internal gas problems? Sincerely, Pat Barthelow aa6eg@hotmail.com http://www.jamesburgdish.org Jamesbu; /archives//html/Amps/2007-08/msg00075.html (8,491 bytes)
5. Re: [Amps] Project for 8122 tubes (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Tue, 14 Aug 2007 11:46:08 -0500; Another option you might consider is that the 8122 tubes are in demand by people who are restoring old amps, like the NCL-2000. They may be worth MORE by selling them to a collector and using the mon; /archives//html/Amps/2007-08/msg00076.html (8,155 bytes)
6. Re: [Amps] Project for 8122 tubes (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Tue, 14 Aug 2007 15:17:29 -0400; Not that Ive ever noticed. I have some used ones with late 60's date codes that are fine. I also picked up a distributed amp with 13 NOS 1983 date codes recently. They were all fine after a 5 minute; /archives//html/Amps/2007-08/msg00086.html (9,879 bytes)

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