[sdiy] Tubes in Synths [ was : Harry's Nightmare! ]

[John L Marshall]

I check five reference books, there was no mention any radioactive additive
in zero tubes. The amount added to neons is not enough to be concerned
about. Worry about all the fat in the brautwurst. The fat tastes sooo good.
Doesn't your 0C3 look really cool?

John


----- Original Message -----
From: Ingo Debus <debus at cityweb.de>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Friday, November 09, 2001 6:52 AM
Subject: Re: [sdiy] Tubes in Synths [ was : Harry's Nightmare! ]


>
>
> John L Marshall wrote:
> >
> > A mild radioactive additives are added to reduce the dark effect; firing
> > voltage becomes high and erratic.
> >
> > I am using neon lamps in some of my synthesizer modules. The power
supply
> > for the neon lamps uses six *zero* tubes; 0A3 and 0D3. I love the glow
the
> > tubes give off.
>
> In the amplifier built into my Leslie 251 there's a 0C3. Is this a
> similar tube? It's smaller than the 6550 but of similar shape. It glows
> bright violet, and it flickers a bit after the amp is powered up. Is
> there a radioactive additive in this tube too (gulp)?
>
> Ingo
>
>