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References: [ +from:ka4inm@gmail.com: 246 ]

Total 246 documents matching your query.

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)

246. Re: [Amps] Question about average anode current in tetrode amplifiers on big tubes (score: 1)
Author: Ron W4BIN <ka4inm@gmail.com>
Date: Sun, 24 Nov 2024 06:29:37 -0500
On 11/24/24 6:04 AM, flynth@gmail.com wrote: Why? Privacy online is important. Anonynymity should be the default. This is a public mailing list and I signed up with my non-identifying email address t
/archives//html/Amps/2024-11/msg00027.html (8,927 bytes)


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