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Re: Unknown Valve



Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 12/13/00 11:13:23 PM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

> Hi brian, well im not real familiar with mullard tubes but it's a good bet
>  it might be the same as an eimac 4-250. if so it should do just fine, I
>  believe somewhere on the tesla list is a vttc using a 4-250.. Hope this
>  helps  cul brian

Brian,

I use a 4-250A for my pulsed staccato tube coil, which gives 13" 
sparks in steady operation, and 16" in the pulsed mode.  The coil
has been pushed to 20" sparks using a larger power transformer.

John Freau