1 Amperex 6BK4C / 6EL4A Vacuum Tube. Also, this tube type is currently being used in custom audio applications. EICO 625 test reads 98. This Amperex tube was made in Holland – ca 1960. It is in the original box but has been very lightly used.
1 Amperex 6BK4C / 6EL4A Vacuum Tube. Also, this tube type is currently being used in custom audio applications. EICO 625 test reads 98. This Amperex tube was made in Holland – ca 1960. It is in the original box but has been very lightly used.