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[AMPS] AL-811 or/or AL-811H

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Subject: [AMPS] AL-811 or/or AL-811H
From: (2)
Date: Sun, 1 Jul 2001 17:07:00 -0700
>Hi Gary,
>At 02:37 PM 7/1/01 -0700, you wrote:
>>Hi to the list,
>>I asked a similiar question not long ago but this time
>>am making it more specific.  If you have the AL-811 or
>>the AL-811H please send the following:
>>* Which amp - the 811 or 811H?
>>* Your power out in SSB?
>>* How you made the measurement?
>>* Your meter readings during voice peaks on SSB?
>>* Your exciter drive power to get max power out?
>>Thanks so much.
>>73 de N5PHT, Gary
>In my opinion either are good if you can find one in new condition
>for less than half the new selling price.
>I have an AL-811 that hits max drive at 60w, beyond that you
>will overdrive the ampfifier and either ALC hookup is needed or
>a monitor scope.

/\ Neither an o'scope or ALC will prevent the amplifier from being 
overdriven on the leading edges of hard syllablres.   A cathode feedback 
resistor of the right value will.  
>It does work on the WARC bands, but I need to turn on the rigs
>automatic antenna tuner for all three WARC bands to get a good
>VSWR as the tuned input circuit is not broad enough. They have
>the units set up for double duty rather than separate tuned inputs
>for the WARC bands, at least my version. My SB-220, with the
>exception of 30m, blows this input circut away.

> ...

/\  Does the AL-811 have 2-tubes? 

tnx, Steve

-  R. L. Measures, 805.386.3734,AG6K,  

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