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Total 4 documents matching your query.

1. [CQ-Contest] Help wanted (score: 1): Author: "Tony Rogozinski" <trogo@telegraphy.com>; Date: Mon, 22 Oct 2007 23:55:20 -0400; I have a problem with my Alpha 76/78 amplifiers in Bogota in that the 220 V lines are maybe 200 - 210 volts which isn't apparently sufficient to activate the start relay. I can use the amps on 120V b; /archives//html/CQ-Contest/2007-10/msg00313.html (7,255 bytes)
2. Re: [CQ-Contest] Help wanted (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Tue, 23 Oct 2007 10:17:26 -0700; ORIGINAL MESSAGE: -- REPLY FOLLOWS -- One inexpensive trick is to get a small transformer, connect the primary across either the 220 or 115 vac line as appropriate and put the secondary in series wit; /archives//html/CQ-Contest/2007-10/msg00323.html (7,899 bytes)
3. Re: [CQ-Contest] Help wanted (score: 1): Author: "Mike Fatchett W0MU" <w0mu@w0mu.com>; Date: Tue, 23 Oct 2007 14:21:29 -0600; Have you called the folks at Alpha Power? You might be able to change around the taps. I bet they can help you. I took my 99 in the week before the RTTY contest and they turned it around in 2 days! T; /archives//html/CQ-Contest/2007-10/msg00325.html (9,177 bytes)
4. Re: [CQ-Contest] help wanted (score: 1): Author: Dick Frey - K4XU <k4xu@arrl.net>; Date: Tue, 23 Oct 2007 22:41:47 -0700; Tony, Find yourself a 24V filament transformer with a current rating equal to the amp's AC draw. Hook it up as a boost auto-transformer. We did this in Europe when the SB220's would not make rated ou; /archives//html/CQ-Contest/2007-10/msg00335.html (7,168 bytes)

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