Originally the new AP8410 used the Eimac 4CX1000A tubes but they made a
switch to the VTX-X118. Seem to be a mystery tube, can't find the spec sheet
and never heard of them.
Anyone know anything about this tube? My guess is Alpha used the 4CX1000A
but got them with a higher grid rating? It looks like this tube number is an
Alpha
part number to me.
73 Rich KL7RA Alpha amp owner
>From Alpha:
The amplifier uses the Alpha Power brand VTX-X118 tubes, a ceramic,
external-anode,
indirectly heated tetrode that, unlike the excellent Eimac 4CX1000A, is
qualified to handle
the grid current that might be experienced in the AP8410.
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