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1. [Amps] Alpha 87A Low Voltage Switch (score: 1): Author: "Jerry Stern" <jsternmd@earthlink.net>; Date: Sat, 2 Aug 2008 09:03:16 -0400; Hi Group, Anyone know why the Alpha 87A has the hi and lo voltage switch on the front panel when it's never supposed to be used on the lo setting? Just curious. 73 Jerry K1JOS _______________________; /archives//html/Amps/2008-08/msg00009.html (6,444 bytes)
2. Re: [Amps] Alpha 87A Low Voltage Switch (score: 1): Author: "Paul Young" <paul@g0hwc.com>; Date: Mon, 4 Aug 2008 16:54:18 +0100; I seem to remember seeing something in the Alpha 87a Yahoo Group http://groups.yahoo.com/group/Alpha87a Something about regulations back when they were built ? Paul G0HWC Check out my website www.g0; /archives//html/Amps/2008-08/msg00018.html (7,338 bytes)
3. Re: [Amps] Alpha 87A Low Voltage Switch (score: 1): Author: "Victor West" <n5yy@bellsouth.net>; Date: Tue, 5 Aug 2008 04:02:25 -0500; If I recall correctly, in the "old days", we were limited (by FCC regulation) to 1000 watts DC INPUT power to the final amp. stage. The amp had a CW "high voltage" position to give this 1000 watt inp; /archives//html/Amps/2008-08/msg00023.html (8,520 bytes)
4. Re: [Amps] Alpha 87A Low Voltage Switch (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Tue, 5 Aug 2008 09:15:48 -0400; The 87 came out long after the rules changed to 1500W output. Possibly the LV position was to derate for RTTY and SSTV. Carl KM1H _______________________________________________ Amps mailing list Amp; /archives//html/Amps/2008-08/msg00024.html (9,833 bytes)

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