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References: [ +from:zl1aih@ihug.co.nz: 29 ]

Total 29 documents matching your query.

21. Re: [Amps] Pi-L values (score: 1): Author: zl1aih@ihug.co.nz; Date: Sat, 02 Sep 2006 21:14:26 +1200; Hi All, I'm working on a Sunair GSL-1900A amplifier - 4CX1500B, passive grid AB1, 1.6 to 30mHz auto-tune. Anode 2500v at 0.650 amps, requires 40 watts drive for 1kW out. Getting close to a kW into a; /archives//html/Amps/2006-09/msg00029.html (8,159 bytes)
22. Re: [Amps] Pi-L values (score: 1): Author: zl1aih@ihug.co.nz; Date: Sun, 03 Sep 2006 10:04:21 +1200; As several informative replies were received, some of them raising other questions, I'll try to summarise as briefly as possible. W8JI asked - <How do you know Sunair intends it to behave like a Pi-L; /archives//html/Amps/2006-09/msg00046.html (9,080 bytes)
23. Re: [Amps] Murphy in my shack (score: 1): Author: zl1aih@ihug.co.nz; Date: Tue, 05 Sep 2006 18:53:22 +1200; While Aki (ZL1GO) and I were attempting to commission the Sunair GSL-1900 amp, the Icom-780 transceiver died. We replaced it with a 746-Pro which worked well for a couple of hours until it's transmit; /archives//html/Amps/2006-09/msg00089.html (7,514 bytes)
24. Re: [Amps] Glued Meters (score: 1): Author: zl1aih@ihug.co.nz; Date: Thu, 05 Oct 2006 19:59:04 +1300; The WW2 RAF "Mosquito" bomber was mostly glued wood veneer. Very light, very fast and difficult to detect by the radar technology of that time. I've been using silicone adhesive to mount relays for y; /archives//html/Amps/2006-10/msg00041.html (6,310 bytes)
25. Re: [Amps] Class A fo AM (score: 1): Author: zl1aih@ihug.co.nz; Date: Wed, 15 Nov 2006 21:09:01 +1300; Hi all, Please forgive my failing memory, but was not "efficiency modulation" (in the time before SSB) taken to it's extreme with 'clamp tube' operation of tetrodes e.g. 807s? As a young (16 year-old; /archives//html/Amps/2006-11/msg00193.html (6,857 bytes)
26. Re: [Amps] NCJ (score: 1): Author: zl1aih@ihug.co.nz; Date: Tue, 19 Dec 2006 22:06:46 +1300; I dropped my subscription to QEX several years ago - it was NZ$104 per year, and my major interests (amps and antennas) are very well covered by this and other reflectors. However, as an addicted CW; /archives//html/Amps/2006-12/msg00164.html (6,388 bytes)
27. Re: [Amps] Drake L4B (score: 1): Author: zl1aih@ihug.co.nz; Date: Wed, 07 Feb 2007 21:46:23 +1300; Hi Jim, If you want to keep the L4B pristine/unmodified and used only on festival days then you're OK, but keep your fingers crossed. If you ever wanted to use it as a contest amp then put the power; /archives//html/Amps/2007-02/msg00113.html (8,012 bytes)
28. Re: [Amps] Pi-L network (score: 1): Author: zl1aih@ihug.co.nz; Date: Fri, 30 Mar 2007 07:01:51 +1200; harmonic advantages of a pi-L in the real world of multi-band amps. It's much cheaper to do it other ways.< So why did so many professional continuous coverage QRO amps (7.5kW and up) go to the troub; /archives//html/Amps/2007-03/msg00393.html (8,616 bytes)
29. Re: [Amps] LK-500 ZA heat (score: 1): Author: zl1aih@ihug.co.nz; Date: Tue, 14 Aug 2007 23:12:06 +1200; huge difference to the cooling efficiency. If you follow a thin streamer of smoke through a typical flat-pack fan, the streamer holds together as the air flows smoothly into the fan - but on the othe; /archives//html/Amps/2007-08/msg00070.html (8,707 bytes)

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