Hello Coilers,
Another tube for concideration in building VTTC's is the 304TH which is
actually four triodes within one glass envelope. If I remember right,
the filaments take 5 volts at 25 amps and the tube is good for about
a kilowatt up to around 10 mHz.
73, Weazle, VE3EAR/VE3WZL
Listening: 147.030+ and 442.075+
E-mail: weazle-at-hurontel.on.ca
or ve3ear-at-rac.ca
Web site: www.hurontel.on.ca/~weazle