[Amps] Alpha 87A Low Voltage Switch

[Victor West]

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 input, and a higher 
voltage value for SSB. This allowed higher peak SSB powers while still 
keeping to the 1000 Watt DC input limitation. Hence the CW/low and SSB/high 
voltage positions.

de Vic, N5YY


----- Original Message ----- 
From: "Paul Young" <paul at g0hwc.com>
To: <Amps at contesting.com>
Sent: Monday, August 04, 2008 10:54 AM
Subject: Re: [Amps] Alpha 87A Low Voltage Switch


> >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
>
> 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.g0hwc.com / www.sstv.org.uk    *Echolink node 
> MB7ICL-L  "381900"*
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