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21. Re: [Amps] HV MOSFETs for RF (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Fri, 12 May 2017 17:33:20 +0000; whats needed now is to get current SS and tube amp manufactures to include a sampled output. The new Elecraft KPA-1500 has the sample output. Ken K6MR home about.... go for it. Ditto with the 400w ya; /archives//html/Amps/2017-05/msg00119.html (12,135 bytes)
22. Re: [Amps] RF2K+ LDMOS linear (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Mon, 5 Jun 2017 04:19:38 +0000; And you need 2 of them for a serious So2r setup Its pretty simple to switch one amp between the radios, so thats not necessarily true. But the amp must be able to run pretty much key down for the who; /archives//html/Amps/2017-06/msg00030.html (15,851 bytes)
23. Re: [Amps] Lowpass filter inductor cores (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Mon, 21 Aug 2017 22:01:51 +0000; The W6PQL filter board for his amps do use toroids 160 10, but not for 6. Apparently he has built some full 1.5 kW units, so seems he has found a way. Not sure about duty cycle though. The physical l; /archives//html/Amps/2017-08/msg00043.html (9,820 bytes)
24. Re: [Amps] Alpha 87A Won't Transmit (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Thu, 15 Apr 2021 22:54:39 +0000; Must be why they call them '0'A2 and '0'B2. The factory blew up the filaments! Ken K6MR I'm seeing a blue glow inside my 0B2s and kind of a pinkish glow from the 0A2s. And their filaments are obvious; /archives//html/Amps/2021-04/msg00082.html (10,186 bytes)
25. Re: [Amps] High Power Combiners (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Thu, 28 Apr 2022 17:07:36 +0000; I used the W6PQL input splitter/output combiner to run two KPA500s together. His combiner is built to handle two 1KW pallets in his big amp design so it should be perfect for the Mercury. Nicely buil; /archives//html/Amps/2022-04/msg00026.html (9,195 bytes)
26. [Amps] SB-221 repair person in CA (score: 1): Author: Ken Beals <k6mr@outlook.com>; Date: Mon, 28 Nov 2022 11:10:18 -0800; I have a 90 year old friend who has a SB-221 that is acting up. Does anyone know of a repair person in the San Francisco/Central CA area? The amp is in Visalia, CA. We could likely hand deliver the a; /archives//html/Amps/2022-11/msg00086.html (7,043 bytes)

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