ECC81 GEC A2900 17mm Smooth plate CV6091 KB/Z high grade ECC81 12AT7

Description

The A2900 is a double triode for use in audio applications where long life and close control of characteristics are essential. The valve will maintain its emission after long periods of operation under cut-off conditions

The A2900 is basically direct equivalent of a standard ECC81 12AT7

Smooth 17mm plate; black anode

Made in the early 1960s by GEC. They are as rare as hens teeth!