[Amps] W6PO 2m amp

[Patrick Egloff]

Hi All,

Can anybody help me understand how the W6PO 2m amplifier is working ??

I want to build the same design but with a 4CX1500B tube that i have here.
The 2 anode quarter wave lines are 8,5 inch long but grounded by 2 blocks at 
about 6 inches from the anode feeding. Do the 2,5 inch shorted part have an 
influence in the tuning ? Why are the tubes so long if only a much shorter 
part is needed ?

It would be interesting to shorten these tubes and so significantly reduce 
the size of the enclosure.

I suppose that there will be a slight difference in tuning between the 
original 8877 and the 4CX1500B, but that could be corrected by sliding the 
tube.

73, Patrick TK5EP
http://tk5ep.free.fr