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1. [Amps] 3xx3000 at 144. Re: Amps Digest, Vol 206, Issue 9 (score: 1): Author: Steven Simons <ssimons@manitousys.com>; Date: Wed, 5 Feb 2020 21:58:53 -0500; Conrad, I built a 150MHz amp using a 3cX20000 for an industrial customer. This tube is rated at 110mhz buts worked fine at 150. Did 24kw out - could have gotten close to 30 but ran out of drive. So,; /archives//html/Amps/2020-02/msg00054.html (30,682 bytes)
2. Re: [Amps] 3xx3000 at 144. Re: Amps Digest, Vol 206, Issue 9 (score: 1): Author: <dj7ww@t-online.de>; Date: Thu, 6 Feb 2020 18:43:55 +0100; My 3CX3000F7 does well on 2m. 73 Peter Conrad, I built a 150MHz amp using a 3cX20000 for an industrial customer. This tube is rated at 110mhz buts worked fine at 150. Did 24kw out - could have gotten; /archives//html/Amps/2020-02/msg00058.html (31,175 bytes)
3. Re: [Amps] 3xx3000 at 144. Re: Amps Digest, Vol 206, Issue 9 (score: 1): Author: Joe <nss@mwt.net>; Date: Thu, 6 Feb 2020 11:55:07 -0600; For tubes like this, BIG currents on the filaments. Has anyone made a switcher supply for it? Joe WB9SBD 73 Peter Conrad, I built a 150MHz amp using a 3cX20000 for an industrial customer. This tube i; /archives//html/Amps/2020-02/msg00059.html (31,057 bytes)
4. Re: [Amps] 3xx3000 at 144. Re: Amps Digest, Vol 206, Issue 9 (score: 1): Author: <dj7ww@t-online.de>; Date: Thu, 6 Feb 2020 20:04:31 +0100; What for? The current remains the same. And overall efficiency is probably better then with a switcher when a toroid core is used for the transformer. 73 Peter For tubes like this, BIG currents on th; /archives//html/Amps/2020-02/msg00060.html (34,944 bytes)

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