[AMPS] 4-1000A Project
Terry Gaiser
w6ru@bak.rr.com
Wed, 4 Apr 2001 13:42:55 -0700
----- Original Message -----
From: "Tom Rauch" <w8ji@contesting.com>
To: "Wynand van Wyk" <zs6arf@telkomsa.net>; "Sam Belew" <n3dfv@home.com>;
"William Fuqua" <Wlfuqu00@pop.uky.edu>
Cc: <amps@contesting.com>
Sent: Tuesday, April 03, 2001 12:24 PM
Subject: Re: [AMPS] 4-1000A Project
>
> Hi Bill,
>
> > Bill Orr stated in his article on Tetrodes used in grounded grid
> > amplifiers (about 170 watts) but at 5 or more KV it is less than 70
>
> I agree with that.....
>
> > watts for full output and about 50 for full gallon (1500 watts). Also
>
> .....but that seems overly optimistic. I could NOT get 1500 watts
> out with any cathode driven 4-1000A with 100 watts of drive unless
> HV was nearly 6000 volts.
You must of had bad tubes or bad something ??? ..... I get 1200 to 1500
watts output (depending on frequency 160-10 meters) from my single 4-1000A
in triode connected GG service running 4 KV under load and 100 watts drive
power.
Terry W6RU
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