Re: VTTC Multi-tube oscillator?

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

Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ka1bbg-at-webryders-dot-net>

4. consult John Freau    futuret-at-aol-dot-com .
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, September 26, 2002 7:30 PM
Subject: VTTC Multi-tube oscillator?


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Mddeming-at-aol-dot-com>
>
> Hi All toobers (tubers - Tesla potatoes???);-))
>
> 1)      I recently acquired five (5) "slightly-used" 833As and a Chinese
FU-33
> look-alike, with a possibility of three more coming, and four 575As for
> rectification of plate supply.  I am looking at the possibilities of a
large
> VTTC. This will be my first VTTC since the tiny 6L6 -based coil I built in
the
> 1960s. One possibility is to strap a bunch of the 833s in parallel, but if
I
> remember correctly, load-balancing in many parallel tubes is worse than
tuning
> up a 1950s V12 Jaguar. Another possibility is to make a small oscillator
and a
> monster amplifier, but I'm not sure if this isn't just complicating the
> circuitry and leaving the same problems.
> 2) Not having a "steroid-powered" tube tester, is there any way to check
the
> tubes before building the VTTC and trying them? If not, has anyone got a
> serious tester schematic?
> 3) Sell all the tubes to someone on the list and buy one much bigger tube?
> Thanks,
> Matt D.
>
>
>