Amperex 12AX7 / ECC83 - matched pair

The early 1960s Amperex 12AX7 / ECC83 tubes in this precisely matched pair were made in Holland and labeled for Hammond organs. They have gray plates, large O getters, and theHeerlen factory codesetched in the glass. Both tubes test as new with very low noise. They are matched for both transconductance (Gm) and current draw (mA). Tubes ship in new white boxes.  These tubs are sold as a matched pair. Photo is of a sample pair from the lot. Singles, when available, are listed as Item 219.