[Boatanchors] Want to Buy Centralab Wafer Switch

whitebear1122 at comcast.net whitebear1122 at comcast.net
Wed Sep 28 10:48:07 EDT 2022


Hi, I am in the early planning stages for my next tube receiver project, the
W1DX HB-67 from the 67 and 69 ARRL Handbook, with modifications.  It is
basically an 80 meter receiver, 3.5 - 4.0 MHz, with a crystal controlled
converter front end for 10-40m.  W1DX uses a 7360 dual beam mixer tube which
I'd like to use but it is expensive so I'm considering using a 6JH8 dual
beam, which is far more available and inexpensive.  I have no experience
with dual beam tubes so I will need to experiment with the tube and
prototype the mixer circuit before putting it in the radio.

 

I am looking to buy one Centralab PA-32 wafer switch section.  I have 3 of
the 4 needed PA-32's, and need just one more.

 

Thanks.  73 Scott WA9WFA

 



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