[Amps] [Fwd: Re: [Moon-net] 4CX250B in P-P 2m?]
Dr. David Kirkby
david.kirkby at onetel.net
Fri Mar 31 19:42:24 EST 2006
Oops, I mis-sent this. Forwarding on.
Winfried Kriegl wrote:
> Why not consider to use 2 x 4CX350 tubes ? With the same setup and
> construction effort it´s no problem to get an easy kW out.
>
> 73 Win DK9IP/KH7CD
Whilst 4CX250A/F are rated more than 4CX250Bs, they are probably less able to
take serious abuse. They are not designed for class C, with a grid dissipation
of 0. So I suspect you might wreck the grids on them.
I think as Ian says, using a bigger tube is more sensible.
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