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Total 5 documents matching your query.

1. [Amps] Drake L7 in need of TLC? Advice please! (score: 1): Author: M1AQV <M1AQV@qsl.me.uk>; Date: Sat, 24 Jan 2004 16:31:21 +0000; Hi all, Im new here so please forgive me if these questions have been asked before! I have recently purchased a Drake L7 amp, which I was told was in good working order but after some examination I b; /archives//html/Amps/2004-01/msg00251.html (8,839 bytes)
2. Re: [Amps] Drake L7 in need of TLC? Advice please! (score: 1): Author: "Ian White, G3SEK" <G3SEK@ifwtech.co.uk>; Date: Sat, 24 Jan 2004 21:18:39 +0000; M1AQV wrote: Hi all, Im new here so please forgive me if these questions have been asked before! I have recently purchased a Drake L7 amp, which I was told was in good working order but after some ex; /archives//html/Amps/2004-01/msg00256.html (11,862 bytes)
3. Re: [Amps] Drake L7 in need of TLC? Advice please! (score: 1): Author: R.Measures <r@somis.org>; Date: Sat, 24 Jan 2004 17:11:56 -0800; ** replacing all of the diodes with the same type number is good engineering practice. ** 200 - 500 uF. 450v units should be ok. ** Equalizing resistors are not good engineering practice. ** No, but; /archives//html/Amps/2004-01/msg00259.html (9,547 bytes)
4. Re: [Amps] Drake L7 in need of TLC? Advice please! (score: 1): Author: M1AQV <M1AQV@qsl.me.uk>; Date: Thu, 29 Jan 2004 22:55:04 +0000; Hi guys, Many thanks for all the advice about my L7's PSU chaps, all much appreciated. I am awaiting arrival of new capacitors and will order larger diodes plus new capacitor equalising resistors and; /archives//html/Amps/2004-01/msg00348.html (7,787 bytes)
5. Re: [Amps] Drake L7 in need of TLC? Advice please! (score: 1): Author: R.Measures <r@somis.org>; Date: Fri, 30 Jan 2004 03:31:44 -0800; ** 'Equalizing resistors' tend to unequalize the reverse currents in seriesed diodes. Mfgs of HV Si diode rectifier stacks caught on to this about 25 years ago, [subject discussed in recent ARRL Han; /archives//html/Amps/2004-01/msg00357.html (8,556 bytes)

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