There are many online-dealers at the moment selling the rebuilded Svetlana tubes as original Svetlana / SED tubes. If you want to get the real Svetlana/SED tubes please read the info below. We do stock and sell the ORIGINAL !

About Svetlana...
Svetlana / SED (Svetlana Electron Device): original Svetlana St. Petersburg, Russia production. These tube are made in the original Svetlana plant. Best quality and best sound of todays tube production. These tubes are labeld with a "winged C".

Svetlana / SV: These tubes are made in the Reflector plant and their sound is close to the Electro Harmonix tubes. These tubes are labeld with a "S" logo

Important:
The sound of a tube-amp can be moddified - more or less, based upon the kind of tube-amp - with the use of different pre-amp and powertubes.
To get an idea which tube combination is usefull for which purpose please see the TT Tube-Map:
http://www.tube-town.net/info/doc/tt-tubemap.pdf
or for Marshall and Marshall-Like Amps
http://www.tube-town.net/info/doc/tt-tubemap-marshall.pdf
Also feel free to visit our Forum for more help and support:
http://www.tube-town.de/ttforum/index.php

All powertubes will get shipped matched while note noted otherwise. If one orders more than one piece of the same type/brand it will get shipped matched.
We do not supply any "matched" preamp tubes because this is in most cases not needed.