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Total 27 documents matching your query.

21. Re: [Amps] variable capacitors (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Tue, 25 Jan 2011 16:54:48 -0500; I can always use a big modulation reactor; 25-30H at 5000V and up insulation. May kids will have to do serious manual labor when I reach room temperature but they are all strong boys. Serves them rig; /archives//html/Amps/2011-01/msg00282.html (9,324 bytes)
22. Re: [Amps] variable capacitors (score: 1): Author: Dave M <slash_dot@msn.com>; Date: Tue, 25 Jan 2011 16:59:16 -0500; Well my son has interest in Audio amps , cant get him to move up to RF yet , so he better be able to adapt my tubes for use at audio freqs LOL, funny enough that has never been a big interest for me; /archives//html/Amps/2011-01/msg00283.html (10,683 bytes)
23. Re: [Amps] variable capacitors (score: 1): Author: Ron Youvan <ka4inm@tampabay.rr.com>; Date: Tue, 25 Jan 2011 23:17:33 +0000; Buy him couple of old 833s at a nearby HAMfest and tell him: "Here build a sweet amplifier." -- Ron KA4INM - If you have any criticism for me constructive or otherwise keep it to yourself, at my age; /archives//html/Amps/2011-01/msg00284.html (9,199 bytes)
24. Re: [Amps] variable capacitors (score: 1): Author: Dave M <slash_dot@msn.com>; Date: Tue, 25 Jan 2011 18:25:35 -0500; I thought he could do something with some old 807's I pulled off an old chassis a few yrs ago , I really should encourage him by looking for a cpl audio transformers , I am sure I have a well enough; /archives//html/Amps/2011-01/msg00285.html (10,064 bytes)
25. Re: [Amps] variable capacitors (score: 1): Author: TexasRF@aol.com; Date: Wed, 26 Jan 2011 07:57:48 EST; So what application is the big demand for butterfly caps? I don't recall ever using one here. 73, Gerald K5GW In a message dated 1/25/2011 11:53:24 A.M. Central Standard Time, slash_dot@msn.com write; /archives//html/Amps/2011-01/msg00306.html (12,106 bytes)
26. Re: [Amps] variable capacitors (score: 1): Author: Paul Decker <kg7hf@comcast.net>; Date: Wed, 26 Jan 2011 13:54:55 +0000 (UTC); Hi Gerald, It's for a couple of legal limit 432MHz stripline amps. 73, Paul So what application is the big demand for butterfly caps? I don't recall ever using one here. 73, Gerald K5GW In a message; /archives//html/Amps/2011-01/msg00308.html (12,592 bytes)
27. Re: [Amps] variable capacitors (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 26 Jan 2011 09:23:07 -0800; ORIGINAL MESSAGE: REPLY: They are often used in push-pull tube-type amplifiers where the rotor will be grounded. In the old days many amps were push-pull but these days tube-type push-pull is mostly; /archives//html/Amps/2011-01/msg00317.html (8,412 bytes)

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