New factory matched set of FOUR gold pin Genalex 12AU7 . These are arguably the finest current production 12AU7s available.
This new production Genalex tube is manufactured at their Xpo-Pul factory (also known as Reflektor) in Saratov, Russia.
It is a high gain, low noise valve with a short plate structure for reduced microphonics. Excellent for use in the highest quality audio amplifiers/pre-amplifiers.
They are all recent date codes. Tubes are labelled with test result for each section.
All tubes carry the 90 day factory warranty against defects from date of purchase.