- 301. Re: [Amps] Vac Relay Replacement (score: 1)
- Author: "Roy" <royanjoy@ncn.net>
- Date: Sun, 8 Jun 2014 09:49:37 -0500
- " What experiences good and bad, has anybody had with a Gigavac ? " I built a stand-alone QSK unit with a pair of them years ago, and they are working fine. 73, Roy K6XK _____________________________
- /archives//html/Amps/2014-06/msg00008.html (6,394 bytes)
- 302. Re: [Amps] pacemakers (score: 1)
- Author: "Roy" <royanjoy@ncn.net>
- Date: Tue, 5 Aug 2014 08:48:57 -0500
- "... My Cardiologist has recommended that I consider having a Pacemaker installed....(etc.)" Everyday I QSO several pacemaker users who run 1500 watts cw. None has had any indication whatsoever. (Bes
- /archives//html/Amps/2014-08/msg00032.html (6,464 bytes)
- 303. [Amps] "need zener' (score: 1)
- Author: "Roy" <royanjoy@ncn.net>
- Date: Tue, 3 Feb 2015 08:24:53 -0600
- Try RF Parts 73, Roy K6XK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
- /archives//html/Amps/2015-02/msg00020.html (6,147 bytes)
- 304. Re: [Amps] question about SPE 1.3K FA amp (score: 1)
- Author: "Roy" <royanjoy@ncn.net>
- Date: Sun, 8 Nov 2015 08:04:59 -0600
- "I notice the SPE 1.3K-FA amplifier is using a single LDMOS transistor to achieve a peak of about 1500 watts output. I am wondering how they do this and stay linear over the full 360 degree RF cycle.
- /archives//html/Amps/2015-11/msg00025.html (6,754 bytes)
- 305. Re: [Amps] HF power divider (and combiner) (score: 1)
- Author: "Roy Koeppe" <royanjoy@ncn.net>
- Date: Mon, 17 Apr 2017 12:29:34 -0500
- About, "I am looking for the same power divider, for a broadband (2 to 30 MHz)" Ameritron sells both a splitter and a combiner rated for 1.5 kw for a very reasonable price...I have not tried. Look un
- /archives//html/Amps/2017-04/msg00130.html (6,612 bytes)
- 306. Re: [Amps] Ham Tests... (score: 1)
- Author: "Roy Koeppe" <royanjoy@ncn.net>
- Date: Fri, 28 Apr 2017 11:52:23 -0500
- "How is CW used today on a regular basis as a means to save lives?" Keeps OMs out of the bars? Roy K6XK _______________________________________________ Amps mailing list Amps@contesting.com http://li
- /archives//html/Amps/2017-04/msg00382.html (6,711 bytes)
- 307. Re: [Amps] Multi tube amp (score: 1)
- Author: "Roy Koeppe" <royanjoy@ncn.net>
- Date: Wed, 6 Dec 2017 07:42:40 -0600
- Seems to me there was also one in strays that use something like a dozen 1625s on parallel...(etc.) Yes that was my amp think it had 20 of them with a broad banded input and output. I cant locate the
- /archives//html/Amps/2017-12/msg00037.html (6,724 bytes)
- 308. Re: [Amps] Multi tube amp (score: 1)
- Author: "Roy Koeppe" <royanjoy@ncn.net>
- Date: Wed, 6 Dec 2017 15:52:33 -0600
- I paid a whopping 25 cents each for the RCA 1625's in factory boxes. Maybe from B-A. Power supply used six TV power transformers with primaries in series-parallel for 220 volts (yes 220 back then!) a
- /archives//html/Amps/2017-12/msg00047.html (7,427 bytes)
- 309. Re: [Amps] Need fan for amp (score: 1)
- Author: "Roy Koeppe" <royanjoy@ncn.net>
- Date: Thu, 11 Jan 2018 17:33:54 -0600
- About, "Newly acquired thirty year old Amp International LK500-ZC original cooling fan is noisy. Fan works very well except for the noise which occurs after the first 4 minutes. Is there a source for
- /archives//html/Amps/2018-01/msg00068.html (7,899 bytes)
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