Zero Voltage Tube Oscillator :

[puretube]

Peter: here you go:

http://www.b-kainka.de/bastel87.htm

that`s prob. based on the old mags I mentioned.

The author recently published a book (Elektor publ.), excerpts of which
were to be found in "Elektor" over the last months,
about tube-circuits from 6 to 60V.

This guy`s whole site is quite interesting
(multi-technically interested guys: s.th. for you)
BUT: it`s all written in German...

...and it`s not 12AX7 per sè.

[gez]

For those non-German speakers, here's a 'translation'

http://translate.google.com/translate?u=http%3A%2F%2Fwww.b-kainka.de%2Fbastel87.htm&langpair=de%7Cen&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools

[Peter Snowberg]

Thank you Puretube! (and Gez too )

Very interesting!

Take care,
-Peter

[The Tone God]

I recently saw a zero R/C part count amplifier. Cool stuff.

Andrew

[Jason Stout]

I recently saw a zero R/C part count amplifier. Cool stuff.

Please explain..

[Ansil]

thanks pure tube i was lookin at that and booked marked it.. i need to email you.. if you are around tonight drop me aline

austenfantanio@yahoo.com

[The Tone God]

Please explain..

It was an amp that had no resistors, capcitors or diodes. It was all tubes and wires. It had a bunch of speciality tubes in it though so it would not be easily reproducable.

Andrew

[Peter Snowberg]

http://members.aol.com/sbench/norc_pa.html

It looks like a really cool design, but beware that the 0A3 and the 0C3 and both radioactive!

You can get the tubes except for the 6N30Pi at http://www.tubesandmore.com but act soon because these tubes won't be around forever. I don't know where to get the 6N30Pi these days. Sovtek used to sell it, but not any more it seems.

take care,
-Peter

[puretube]

Ho ho ho! Brandnew EH Gold 6H30Pi are being manufactured/sold thru new sensor corporation (owner of Electro-Harmonix & Sovtek).
They also still got some of those OAx and OCx tubes.

Tubesandmore can order from there...  :wink:


the 6N is the latin letter for kyrrillic (russian) 6H...

[Peter Snowberg]

Thanks Ton.

Are those the same tube with one designation in Cyrillic and one western alphabet?

Take care,
-Peter

[puretube]

"quite" sure.
those 2 letters are often mixed up in "inter-racial" tube-scene schematics and handbooks, and often used alternately.