[Amps] 3cpx1500a7

Phil Clements philc at texascellnet.com
Tue Jan 13 14:35:05 EST 2009


> Subject: Re: [Amps] 3cpx1500a7
> 
> 4200V key down  in a Dentron DTR2000L 6M conversion I just finished for
> a customer. It likes a lot of air for WSJT service.
> 
> Carl
> KM1H

I think all who have used this tube will agree that it seems to go into
"overdrive-gear" above about 3800-3900 volts, under load. Efficiency goes
up, grid current goes down, and power output increases.

At least that is my experience here...Carl's advice is "right-on!"

(((73)))
Phil, K5PC




More information about the Amps mailing list