It's my understand that a 4CX1500B is a direct replacement for a
4CX1000A with a plus that it has an extra 500W dissipation capability.
David
KW4DH
On 6/20/2012 12:28 PM, Vic K2VCO wrote:
> I just found a couple of 4CX1500B's among my junk (I had thought they were
> 4CX1000's). I
> was surprised to see that the data sheet indicates that typical operation of
> a single tube
> as an AB2 linear amplifier wouldn't even produce legal limit output:
>
> http://www.classiccmp.org/rtellason/tubedata/4cx1500b.pdf
>
> Also, this tube seems to have a pretty fragile grid. Any comments about its
> suitability
> for a ham amplifier?
>
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