On Apr 27, 2004, at 9:15 PM, ka1xo at juno.com wrote: > > Out here in North Jersey one of the two big used-tube guys was telling=20= > me that he has a steady stream of CB'ers showing up at his website=20 > looking for hi-mu tetrodes from broadcast applications ... =F0 Triodes have Mu, tetrodes have Gm.