New Tube in original Box!
You will receive it sealed
We has opened similar Box for pictures
The Svetlana GU74B/4CX800A is manufactured in the "Svetlana Electron Devices" (SED) factory in St. Petersburg, Russia. Offered tubes (Soviet marks as GU74B) are made in the USSR at 1985-92 on this Svetlana factory, are full analogue and have the best parameters rather modern Svetlana 4CX800A tubes. These is military grade tubes have a chromium plating, steadier than nickel plated of modern tubes.
See Svetlana Technical data:
Price per ONE (1) GU74B/4CX800a NEW and Sealed in original box.