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1. [Amps] Value of a 8873 w about 1 hour on it? (score: 1): Author: "ko1h" <ko1h@cox.net>; Date: Sat, 26 Nov 2011 17:45:18 -0800; Hi all, Just trying to get a feel of what the value of an 8873 tube almost NOS. Has about 1 hour of timeon it in a Henry 2kultra. Sold amp still have spare tube. Need an idea where to begin. Thanks d; /archives//html/Amps/2011-11/msg00146.html (6,574 bytes)
2. Re: [Amps] Value of a 8873 w about 1 hour on it? (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Mon, 28 Nov 2011 01:03:27 -0500; I can't give you any specifics other than they are very rare, no longer made, I don't think many were produced, and probably a small fortune for one in good shape. 73 and good luck, Roger (K8RI) ____; /archives//html/Amps/2011-11/msg00155.html (7,788 bytes)
3. Re: [Amps] Value of a 8873 w about 1 hour on it? (score: 1): Author: "Hardy Landskov" <n7rt@cox.net>; Date: Mon, 28 Nov 2011 13:07:57 -0700; Speaking of 8873's, anyone know what the cathode driven input Z is at 50 MHz? I am converting an Alpha 76 to 6 meters. The literature is not forthcoming with such info that I have been able to find.; /archives//html/Amps/2011-11/msg00161.html (9,146 bytes)
4. Re: [Amps] Value of a 8873 w about 1 hour on it? (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Mon, 28 Nov 2011 22:43:38 -0500; I don't know them off the top of my head, but: 8873, 8874, and 8875 are all the same tube with a different physical anode structure with slight differences in dissipation ratings. IE 8873 is conducti; /archives//html/Amps/2011-11/msg00163.html (9,735 bytes)

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