ECC82 12AU7 Siemens, one pair (2), test NOS & balanced, identical prod. codes
Out of stock
One pair (2) Siemens ECC82/12AU7 made by Philips Heerlen (Amperex/Bugle Boy factory). Code on both tubes is Gf7 Delta2D1 (= Heerlen 1962, April, week 1). These tube may have seen minor use. They test perfectly and still better than new with 18,6mA/19,1mA and 18,5mA/20,5mA with 17mA being the 100% value of a new tube.