Fwd: Re: [Amps] Anyone ever use a 6C21?

R.Measures r at somis.org
Thu Nov 6 06:27:10 EST 2003



>
>>
>>I use a pair of 250THs in the 60s in grounded grid ( bias needed) driven 
>>by a pair of 6146B and a 20A exciter.
>>Worked great I only had about 2KV plate high voltage supply at the time.
>>
>>73
>>Bill wa4lav
>
>     This was not too bad since I did get the legal limit on CW and a 
>little better than a half gallon on SSB.
>If I ran 200 Watts plate input on the 6146's and had a gain of 5 that was 1 
>KW plate input power. A bit puny now days. With the limit being 1500 watts 
>PEP output.

***   Bill --  More anode V would have made the 250THs easier to drive -- 
and provided a better view too.


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