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241. Re: [Amps] 8877 filament (score: 1): Author: Ron W4BIN <ka4inm@gmail.com>; Date: Sat, 1 Apr 2023 16:28:04 -0400; What would cause the filament not to get hot if there is continuity between the pins when 5 volts is applied? The tube has been sitting for seven or eight years. Bob Measure the filament current.; /archives//html/Amps/2023-04/msg00007.html (7,270 bytes)
242. Re: [Amps] Oil (NON PCB) filled capacitor repair possible ? (score: 1): Author: Ron W4BIN <ka4inm@gmail.com>; Date: Tue, 2 May 2023 14:28:41 -0400; I have a working but leaking oil filled capacitor, HEC 21052 CC602 6UF 8Kv DC used in my Henry 8K Ultra (3 Phase 230V). The oil comes out at on the top of the canister under one of the HV connectors.; /archives//html/Amps/2023-05/msg00003.html (7,801 bytes)
243. Re: [Amps] Subject: Henry hum on transmitted signal (score: 1): Author: Ron W4BIN <ka4inm@gmail.com>; Date: Tue, 5 Sep 2023 20:02:12 -0400; Hi Lou: Rob, it seems as though is not if but when the choke craps out in those Henry amps. Ive seen where many chokes shorted to the core and guys mounted the choke on insulated material instead; /archives//html/Amps/2023-09/msg00027.html (8,424 bytes)
244. Re: [Amps] High filament current on the 8877 amplifier tube (score: 1): Author: Ron W4BIN <ka4inm@gmail.com>; Date: Mon, 16 Oct 2023 11:18:50 -0400; So what is the proper way to dispose of these bad tubes? Learn to make table lamps for flea markets? -- _______________________________________________ Amps mailing list Amps@contesting.com http:; /archives//html/Amps/2023-10/msg00037.html (8,046 bytes)
245. Re: [Amps] Alpha 99 Exhaust vent temps (score: 1): Author: Ron W4BIN <ka4inm@gmail.com>; Date: Fri, 19 Apr 2024 07:54:00 -0400; Hi Warren NI5L: Hello all. I was referred to this list by Glenn, AE0Q, for an answer to my question about Alpha 99 exhaust temperatures. I am seeing about 155 to 160 degrees F when running RTTY wi; /archives//html/Amps/2024-04/msg00011.html (7,513 bytes)

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