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RE: yes, I think you did...:)

66.82.9.80

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"Isn't the cathode impedance in this case (Ra + Zpri)/mu"

Oh look what I did... Forgot to take into account the dv of the cathode itself in the above equation. Make that:

Isn't the cathode impedance in this case (Ra + Zpri)/(mu+1), 14K/5.5, round to 2K5 ohms.

Michael

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