Re: Tube Data
It would really help a lot if you would atach a small photograph along with
for sofar, it sounds like you've got (don't really know the english word for
it ) an oscilating tube, used for pumping up the frequency
at high voltages.
If so, caution is no luxury.
----- Original Message -----
From: Tesla List <<mailto:tesla-at-pupman-dot-com>tesla-at-pupman-dot-com>
Sent: Sunday, February 20, 2000 8:55 PM
Subject: Tube Data
> Original Poster: "Megavolt Nick"
> Hi All,
> today I picked up a massive tube and wondered if anyone had any
> what it is. The only number on the thing is QB 5/1750. I've looked it up
> most of the net tube data sites and none of them have heard of it. The
> bulb is about 4" diameter by 5" high with a big heatsunk feed through on
> top and 5 rather beefy pins on the bottom. The anode looks like about 1½"
> The filament xfmr looks like about 200VA and the leads to the tube were
> thick copper.
> Inside the unit I got it out of there was a 24kV capacitor bank - but I
> know if they were connected while in operation as half the thing was
> Thanks In Advance
> Nick Field