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1. [Amps] Longshot - looking for 8873 (score: 1): Author: "Jeff DePolo" <jd0@broadsci.com>; Date: Fri, 6 Apr 2012 10:27:25 -0400; Anyone know of a working 8873 available anywhere? Resurrecting an SB-230 for a local ARES/RACES group and haven't been able to find one... Thanks. -- Jeff WN3A _______________________________________; /archives//html/Amps/2012-04/msg00071.html (6,594 bytes)
2. Re: [Amps] Longshot - looking for 8873 (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 6 Apr 2012 10:58:13 -0400; Im looking for a cheap tubeless SB-230 to experiment with different tube choices. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesti; /archives//html/Amps/2012-04/msg00074.html (7,541 bytes)
3. Re: [Amps] Longshot - looking for 8873 (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Fri, 6 Apr 2012 19:40:37 +0000 (UTC); Probably a dumb idea, but what about cutting and grafting a custom convection cooling anode to an 8874 or to a 3cx800? Similar to how some of the Russian tubes have interchangeable coolers. Paul, kg7; /archives//html/Amps/2012-04/msg00076.html (7,343 bytes)
4. Re: [Amps] Longshot - looking for 8873 (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Fri, 06 Apr 2012 18:21:23 -0400; It can be done, but I don't know what the success ratio would be and the 8874's are already very expensive. The 3CX800 has a larger anode inside the radiator, I don't know if it'd clear of not. The m; /archives//html/Amps/2012-04/msg00079.html (10,208 bytes)
5. Re: [Amps] Longshot - looking for 8873 (score: 1): Author: Ron Youvan <ka4inm@gmail.com>; Date: Fri, 06 Apr 2012 18:52:08 -0400; All of this talk of converting them to another tube makes me wonder if this isn't a good candidate for a water cooled tube. They can operate very quietly also. -- 73 Ron KA4INM - All E-mail sent to t; /archives//html/Amps/2012-04/msg00080.html (7,570 bytes)
6. Re: [Amps] Longshot - looking for 8873 (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 6 Apr 2012 19:15:56 -0400; Ive mentioned the modified 8874 on here several times since the 90's and even posted a photo of mine elsewhere many years ago. Its still going strong in my 6M portable amp that I converted around 198; /archives//html/Amps/2012-04/msg00081.html (9,489 bytes)
7. Re: [Amps] Longshot - looking for 8873 (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 6 Apr 2012 19:51:15 -0400; Are there any 3CW triodes that would even fit? There are a few small tetrodes but rather hard to find. The only water tubes Ive worked with are the 3CX100A3 with a plumbing pipe jacket for use on 129; /archives//html/Amps/2012-04/msg00083.html (9,345 bytes)

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