EXPIRED Legendary Tube 6C33C NOS Svetlana Factory 1971 Very Rare

[Vladas]

Further Information: 

 

Production year 1971.  The price is for one tube (I have 2 available).

 

Russian 6C33C Svetlana factory of St. Petersburg is way superior to Ulyanovsk factory.

 

Much more musical sound.

 

Svetlana factory tubes are SEVERAL times more reliable and has SEVERAL times longer lifespan, than Ulyanovsk factory.

 

Compared to Svetlana, Ulyanovsk 6C33C often are called "hit and miss".

 

This tube was tested once in my amplifier before this sale - amazing sound.

 

Comes with genuine printed specifications list. I had original boxes as well, but disposed it. 

 

Free shipping.