NOTICE: Be sure to enter the Make & Model of component you are purchasing tubes for. Failure to do so will delay processing of your order. This does not imply that we confirm compatibility. Consult the manufacturer and owner's manual before ordering.
GEC 6X4/EZ90 - Made in England by Marconi Osram Valve Company, the folks who made the legendary Genalex tubes. The boxes look brand new. In military boxes, branded CV4005.