Franks Electron tube Pages

Franks Electron tube Pages

"At the age of 10 we moved to Copenhagen for about 2 years. I had some friends there who knew that I liked old radios so regularly someone brought me one. (See my picture at the main page) Among them was the Bang & Olufsen - Grand Prix 48 K (photo). I liked this radio so much that I wanted to make it work again. There was not much wrong so I got it working. Later when we were back in Eindhoven, I made so many ......."

Frank Philipse - Waalre, the Netherlands.

• Tube Number Systems
• American Substitutes for Foreign Types
• Foreign Substitutes for American Types

The tube data resides on several mirror sites in several countries and they are exactly equal, except for the Poland site which additionally has been equipped with a tube search.

TubePad 5.0

TubePad 5.0

TubePad, in all versions, is a free for use share-ware library of images which were created by Gary Johanson, WD4NKA, who holds the copyright to the images and the name "TubePad". TubePad may be used without restriction in non pecuniary applications, such as private web sites, educational sites, etc. Sites that sell items for profit, commercial sites can use TubePad too, but with a proviso: Tell the viewer that you are using TubePad in a way that they can find it. Or, include the name "TubePad", and whatever version you are using, somewhere on the margin or lower or upper corner of your schematic. It would be considerate if everyone did this, commercial or not, just for the sake of spreading the availability of TubePad. but for profit sites, i will make it a requirement. For your convenience, please copy and paste the following to an appropriate place near your TubePad schematic, or in a place where it can be found:
Schematics:TubePad

http://www.qsl.net/wd4nka/form.html

Gary Johanson, WD4NKA. The purpose of this site is not only to provide an expanding resource of information for the Tube/Valve oriented homebrewer....

Schematic Heaven

Schematic Heaven

FREE Amp Schematics Tube Amp Schematics Valve Amp Schematics Effect Schematics Effect Pedal Schematics Guitar Amp Schematics Bass Amp Schematics Fender Amp Schematics Marshall Amp Schematics Gibson Amp Schematics Vox Amp Schematics Ampeg Amp Schematics Amp Diagrams Amp Circuits