Re: Tube watts & volts
On Fri, 02 Jul 1999 12:46:19 -0600 Tesla List <tesla-at-pupman-dot-com> writes:
>Original Poster: "Dr. John W. Gudenas" <jgudenas-at-admin.aurora.edu>
>Max plate voltage is normally given in DC and for an 811A that is
>However, it is possible to use self rectification with AC on the plate
>obviously peak to peak would be the safe limit.
Not sure what you mean by self rectification. Is that what happens when
ever a tube circuit such as this is run on AC?
But I wouldn't worry
>if you exceed this somewhat (how much is somewhat? ..experiment until
>you destroy the tube). Plate current on an 811A is 175ma, thus they
>put in parallel to handle more current.
Yes, I was thinking of using two for my first go at it.
>I have one coil that uses 3 X 811A at 1300v -at- 500ma that produces a
>beautiful 8 to 10 inch corona. These are cheap, good triodes great for
>a first tube project or experimental work that can be abstracted to
>John W. Gudenas, Ph.D.
>Department Chair of Computer Science and Mathematics
>Aurora University, Aurora IL 60506
>Office: 630-844-5539 Fax: 630-844-7830
With Silent Lightning in my hands,
Grayson Dietrich, Medina, OH
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