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
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