To: | <amps@contesting.com> |
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Subject: | [AMPS] 4-1000A Project |
From: | w6ru@bak.rr.com (Terry Gaiser) |
Date: | 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 -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com |
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