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Total 8 documents matching your query.

1. [Amps] KPA1500 in QSK mode (score: 1): Author: "Bob Wilson, N6TV" <n6tv@arrl.net>; Date: Tue, 9 Oct 2018 23:45:07 -0700; Mickey, I just used a pair of KPA1500s in the California QSO Party, full bore, CW only, for 24 hours. The performance was solid, no glitches. QSK was silent and fast, so it's safe to use a K3 transce; /archives//html/Amps/2018-10/msg00032.html (10,101 bytes)
2. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: Larry Dighera <LDighera@att.net>; Date: Wed, 10 Oct 2018 10:44:04 -0700; Hello Bob, I've been considering replacing my Alpha 87A <http://kj6yvt.com/amplifier.htm> with an Elecraft KPA1500 too. The instant-on feature solid-state amplifiers offer is attractive to a fellow w; /archives//html/Amps/2018-10/msg00034.html (11,992 bytes)
3. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: Jeff Dorsey via Amps <amps@contesting.com>; Date: Sun, 14 Oct 2018 01:36:33 +0000 (UTC); Larry: I have an Alpha 76A but have never succeeded in getting a good set of tubes for it. I like the KPA1500 but am hesitating for the same reason: price Instant-on and 6 meters are a big draw for m; /archives//html/Amps/2018-10/msg00042.html (10,570 bytes)
4. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: Larry Dighera <LDighera@att.net>; Date: Sun, 14 Oct 2018 10:30:29 -0700; Hello Jeff, Tubes are an issue for the 87A as well; that's for sure. Here are some tubes to consider: NEW GS-36B/4CX400A Tube, Tetrode, Russian https://www.rfparts.com/catalogsearch/result/?q=GS-36B; /archives//html/Amps/2018-10/msg00044.html (11,801 bytes)
5. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: Jeff Dorsey via Amps <amps@contesting.com>; Date: Mon, 15 Oct 2018 23:19:05 +0000 (UTC); Larry: The 76a is not modified so it needs 8874s as far as I know. And I have not succeeded in finding any good ones. Are the tubes you suggest direct substitutes for the 8874s? I am leaning toward b; /archives//html/Amps/2018-10/msg00048.html (13,512 bytes)
6. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: John Bodine <john.bodine@gmail.com>; Date: Tue, 16 Oct 2018 05:39:16 -0400; The Alpha76A runs triodes-8874s(3cx400s) Tetrodes are not a match. Sorry. -- Later, John Bodine/WU2E _______________________________________________ Amps mailing list Amps@contesting.com http://lists; /archives//html/Amps/2018-10/msg00050.html (13,814 bytes)
7. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: "Carl" <km1h@jeremy.qozzy.com>; Date: Tue, 16 Oct 2018 21:20:33 -0400; A single 3CX/3CPX800A7 will replace a pair of 8874's and is almost a plug in swap.You will need a new filament transformer. https://frank.pocnet.net/sheets/140/3/3CX800A7.pdf Carl Larry: The 76a is n; /archives//html/Amps/2018-10/msg00058.html (14,200 bytes)
8. Re: [Amps] KPA1500 in QSK mode (score: 1): Author: Jeff Dorsey via Amps <amps@contesting.com>; Date: Wed, 17 Oct 2018 18:24:59 +0000 (UTC); Thanks Carl: If I don't decide to get a KPA1500, i'll consider that modification. If the amp were here, I'd send it to Richard Byrd for modification. But it's in Mali. What all would be entailed? Als; /archives//html/Amps/2018-10/msg00062.html (16,281 bytes)

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