[Amps] 15m lk-500nt

AA6DX - Mark aa6dx at arrl.net
Mon Sep 14 16:25:45 PDT 2009


> From: "R. David Eagle" <kb8nnu at yahoo.com>
> Subject: [Amps] LK-500: no 15 meters????
> To: amps at contesting.com
> Message-ID: <618441.98896.qm at web51709.mail.re2.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hello all....thanks to all of you who have gratiously been providing tips 
> and advice on my first amp project - the resurrection of an Amp Supply 
> LK-500 NT.
>
> I recently got it on the air to check operation on all bands and I have 
> great power output on all bands but 15.? I have gone through the band 
> switch and everything appears to be ok.? BUT this one really made me 
> scratch my head.
>
> When I key this is what I get:
> ?750 plate current
> 3200 plate voltage
> about 200 grid current
>
> Power output is only about 10 watts.....?????
>
> any thoughts or ideas would greatly be appreciated....
>
> Thanks again,
>
> Dave
> KB8NNU
>
Same amp, same problem, except power out = zip --- will be watching for 
replies ... Mark,      AA6DX



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