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Tubes
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From: TYR580 [SMTP:RKoonce-at-tyler-dot-net]
Sent: Thursday, April 16, 1998 12:41 PM
To: Tesla List
Subject: Re: Tubes
Bert:
Thanx for the info. Where might I find a schematic / parts list?
> ----------
> From: Bert Hickman [SMTP:bert.hickman-at-aquila-dot-com]
> Sent: Thursday, April 16, 1998 6:19 AM
> To: Tesla List
> Subject: Re: Tubes
>
> Tesla List wrote:
> >
> > ----------
> > From: TYR580 [SMTP:RKoonce-at-tyler-dot-net]
> > Sent: Wednesday, April 15, 1998 4:39 PM
> > To: Tesla List
> > Subject: Tubes
> >
> > I have three VT-4-C vacuum tubes. Does anyone have any specs on
> these?
> > Would they be good for coil work?
> >
> > Raymond Koonce
>
> Raymond,
>
> Nice catch! These are the militarized versions of 211 power triodes. I
>
> personally built a 1.5 KW Vacuum Tube Tesla Coil using three of these
> back in high schoool (only about 34 years ago...) - they worked
> great!!
> At that time, you could pick them up for about $5.00 apiece on the
> surplus market. Now the audiophiles have bit these up to the $50-70
> range, since they also make great audio power tubes.
>
> They use a 10 volt, 3.25 Amp thoriated tungsten filament that you can
> read a newspaper by. These tubes can take quite a beating. RCA specs
> them at 1250 VDC max plate voltage, grid -400 V, plate current 175 MA,
>
> grid 50 MA, 250 watts max plate input power...but these are starting
> points fot TC use. :^)
>
> -- Bert --