Posted by Tre' [ 69.108.84.51 ] on March 19, 2006 at 20:33:53:

I mean the grid to ground impedance not the grid resistor. I assume this impedance is in series with the grid resistance. I have always considered a tube grid to be an open, aside from the interelectrode capacitance.....Tube cad says no. What I'm trying to do is install a high pass filter between the output of my preamp and the input of the power amp.

Thanks...Tre'

Replies:

• Re: What is the input impedance of a 6sn7? - Damir 08:20:41 03/20/06 (1)
  • Re: What is the input impedance of a 6sn7? - Tre' 10:14:08 03/20/06 (0)