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Total 7 documents matching your query.

1. [Amps] Lamps and surge protection (score: 1): Author: "John Nelson" <john@crew-green.com>; Date: Mon, 12 Feb 2007 08:46:21 -0000; wound up from zero.< One of my amplifier PSCUs has six meters on the front panel, each backlit via two small 6V wire-ended bulbs. These are fed from an internal rail which ramps up to +5V in about t; /archives//html/Amps/2007-02/msg00206.html (6,832 bytes)
2. Re: [Amps] Lamps and surge protection (score: 1): Author: "Harold Mandel" <ka1xo@juno.com>; Date: Mon, 12 Feb 2007 11:32:36 -0500; John, When testing transformers in my younger days I remember learning to not touch the winding conductors even though it was just a multimeter's test voltage being applied. Perhaps the connection fr; /archives//html/Amps/2007-02/msg00221.html (7,437 bytes)
3. [Amps] Lamps and surge protection (score: 1): Author: "John Nelson" <john@crew-green.com>; Date: Mon, 12 Feb 2007 18:46:35 -0000; energy spike in the 6.3 v.a.c. transformer supply that isn't there in the other supply?< It could be, but my guess is that it's the difference between slowly ramping the DC supply up and holding it; /archives//html/Amps/2007-02/msg00225.html (6,569 bytes)
4. Re: [Amps] Lamps and surge protection (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Tue, 13 Feb 2007 10:19:49 +0100 (CET); Interestingly, the old General Electric Company in the UK were always looking to save money. To this end, a study was carried out by their research group which showed that the reduction in life by sw; /archives//html/Amps/2007-02/msg00238.html (7,172 bytes)
5. Re: [Amps] Lamps and surge protection (score: 1): Author: Bob Nielsen <nielsen@oz.net>; Date: Tue, 13 Feb 2007 08:00:36 -0800; That time is probably a bit longer if fluorescent lambs are used in place of incandescent, and is certainly a function of electric rates. The facility I worked at between 1966 and 1984 was built with; /archives//html/Amps/2007-02/msg00242.html (7,816 bytes)
6. Re: [Amps] Lamps and surge protection (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Tue, 13 Feb 2007 12:42:25 -0600; I wonder if the filament life of an ordinary incandescent light bulb relates to that of an RF power tube. One can fairly easily see the vibration set up in the light bulb filament at turn-on. I guess; /archives//html/Amps/2007-02/msg00243.html (8,061 bytes)
7. [Amps] Lamps and surge protection (score: 1): Author: "cattamanchi padmanabhan" <pepindia@gmail.com>; Date: Wed, 14 Feb 2007 09:10:37 -0800; It is how well a tube, incandescent or fluorescent lamp can with stand the initial surge. A drop in the filament voltage will definately prolong the life of the tube. A 6146 in my dx 60B lasted for a; /archives//html/Amps/2007-02/msg00244.html (7,774 bytes)

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