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Total 24 documents matching your query.

21. Re: [Amps] DRAKE L-7 (score: 1): Author: Michael Tope <W4EF@dellroy.com>; Date: Tue, 06 Apr 2010 21:29:36 -0700; Bob, There are pictures of the L-4PS with the following Ebay ad: http://cgi.ebay.com/Drake-L-4B-L4B-HF-Linear-Amplifier-Matching-L-4PS-HAM_W0QQitemZ150430698367QQcmdZViewItemQQptZLH_DefaultDomain_0?h; /archives//html/Amps/2010-04/msg00175.html (16,260 bytes)
22. [Amps] DRAKE L-7 (score: 1): Author: "Jim Thomson" <Jim.thom@telus.net>; Date: Wed, 7 Apr 2010 05:59:44 -0700; I am looking at the meter right now in ssb mode and it shows at idle 3600 Plate Volts and zero plate amps. and they are all 2650 vdc no load..... and 2500 vdc @ 800 ma...cxr. 2 kw dc input.. and 1290; /archives//html/Amps/2010-04/msg00188.html (8,175 bytes)
23. [Amps] Drake L-7 (score: 1): Author: Max Cotton <M0GHQ@outlook.com>; Date: Fri, 9 Feb 2018 20:01:30 +0000; I have a Drake L7 with a Dahl higher voltage transformer inside the psu, now the 50k resistors get pretty hot and need to be swapped out, I calculate they should be approx 75k each giving 30W dissipa; /archives//html/Amps/2018-02/msg00008.html (7,158 bytes)
24. Re: [Amps] Drake L-7 (score: 1): Author: "Jim W7RY" <jimw7ry@gmail.com>; Date: Tue, 13 Feb 2018 07:50:44 -0600; Dont use ALC and remove the resistors. Also need to change the cutoff bias arrangement. Or add my QSK system. Search EBay for my call. 73 Jim W7RY I have a Drake L7 with a Dahl higher voltage transfo; /archives//html/Amps/2018-02/msg00016.html (8,005 bytes)

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