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1. [Amps] LK-450 (score: 1): Author: "Dick Hanson" <dick@dkhanson.com>; Date: Fri, 7 Mar 2008 13:00:26 -0600; Does anyone here know the PTT keying circuitry for this amp? I just need to know whether it keys the relays directly to ground or whether there is a keying transistor involved. Thanks very much. 73 D; /archives//html/Amps/2008-03/msg00069.html (6,848 bytes)
2. Re: [Amps] LK-450 (score: 1): Author: "Chuck & Vicki Tifft" <cftifft@sbcglobal.net>; Date: Fri, 7 Mar 2008 16:47:07 -0800; Hi Dick, It depends on whether your amp has the QSK board B-6 or not. Non QSK amp keys a relay directly, The QSK version varies unpon whether your are keying the VOX input or Key IN, but either way,; /archives//html/Amps/2008-03/msg00071.html (7,869 bytes)

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