[Amps] 3CX3000A7 input impedance

[Jan Erik Holm]

Yes. You can look here too:
www.g8wrb.org/data/Svetlana/pdf/3CX3000A7.pdf

73 SM2EKM
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Phil Clements wrote:
> Subject: [Amps] 3CX3000A7 input impedance
> 
> A friend of mine is building up a 3CX3000A7 amp and asked me what the input 
> impedance is.  Seems that I used 50 ohms when I built mine but I'm not sure.
> 
> The Eimac tech sheet says a 3x3 running in AB2 cathode driven will have an 
> input impedance of 50 ohms.  Can anyone verify that for me?
> 
> Thanks,
> Bob W6TR 
> 
> I can verify that, Bob. I am running a 3X3 on 160 meters here, and I
> designed the input Pi-Net for 50 ohms in and out, with a Q of about 3-5, or
> so. The VSWR is 1:1 across the band.
> 
> 
> ((((73))))
> Phil, K5PC
> 
> 
> 
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