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Total 3 documents matching your query.

1. [Amps] 8122 and 8072 (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Fri, 9 May 2014 19:48:07 -0700; Quite a while ago, I was tying to figure out how to get the cooler fins off of an 8122 and back onto an 8072. It looks like they are welded onto the outer plate structure of the 8122. They are the sa; /archives//html/Amps/2014-05/msg00057.html (12,165 bytes)
2. Re: [Amps] 8122 and 8072 (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sat, 10 May 2014 10:32:37 -0400; Yep, it requires some machine tools to do it neatly. The 8072, 8121, and 8122, and a few variants, are the same basic tube. The 8121 with vertical grooves machined in also do a good job in the NCL-20; /archives//html/Amps/2014-05/msg00058.html (13,352 bytes)
3. Re: [Amps] 8122 and 8072 (score: 1): Author: Glen Zook via Amps <amps@contesting.com>; Date: Sat, 10 May 2014 08:28:15 -0700 (PDT); Especially Motorola used the 8072 extensively in their 450 MHz base stations and in a few mobile units. 狢 still have a number of the tubes, brand new, that I acquired when I got the tube stock and s; /archives//html/Amps/2014-05/msg00059.html (15,395 bytes)

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