[sdiy] Tube ring mod

[Magnus Danielson]

From: "metasonix at earthlink.net" <metasonix at earthlink.net>
Subject: Re: [sdiy] Tube ring mod
Date: Sat, 14 Jun 2003 20:25:54 -0700

> > Um... I don't HAVE a EFP60 tube around... you've got a datasheet anywhere???
> 
> No problem:
> http://www.mif.pg.gda.pl/homepages/frank/sheets/030/e/EFP60.pdf
> 
> Dealers such as Chelmer and Billington will have the valves,
> and the special sockets for them. Easy to find in Europe,
> more difficult in the US.

Thanks for the pointer!

Odd tube.

> > Pentodes as such really seems my preferred tube for linear stuff. Toss in
> > another grid for multiplicative stuff... right? ;O)
> > Maybe I should start of with a Svetlana 4CX15000A tube? Or should I go straight
> > for a TWT or a MSDC Klystron?
> 
> That is kid stuff. You need a backward-wave tube, or perhaps the fearsome Ubitron.
> 
> Yes boys and girls, your next modular synth must use an Ubitron.
> Fast-wave is where it's at. Yee-haw.

I WAS talking about *BEGINNERS-TUBES* ;O)

>  >Next, shall we discuss the use of big DIY spark-gap transmitters to
>  >make cool sparking, and other, noises for really nifty special effects?
> 
> Hey man, spark gaps are Victorian. Only redneck hobbyists still drive Tesla
> coils with spark gaps. Get out of the 19th century, try a vacuum tube.
> Use a 4CX15000A! Hahahahaha!

;O)

I think the effect of the choclate covered coffie-beans still hasn't weared off.

Cheers,
Magnus