Re: Question for John about the 5-125B and the 810

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Robynsaddiction-at-aol-dot-com>
> 
> Hello,
> 
>       John or any others who might know. I was wondering if only one
CETRON 810
> would work in a small tube coil, because I just got one for $10.00 new.
Also, I
> wanted to know if there was any chance that an RCA 4E27A / 5-125B tube would
> work, because I have the chance to get four of those NEW at $10.00 a piece.
> Thanks guys! Hope someone knows something. Also, do the capacitors in a VTTC
> have to be mica, or can they be other types of capacitors?
> 
>                               Rick Harris

	Either can be made to work, but the 810 is better.  It's a small power
triode and the 4E27A is a tetrode which is harder to use.

Ed