2 NOS Mullard Amperex Label ECC83 12AX7A Tube Gt. Britain TV7U Tested 100%+
2 NOS Mullard Amperex ECC83 12AX7A Tube Gt. Both tubes tested on a professionally calibrated TV7U tube tester with the following results (32 is minimum).
2 NOS Mullard Amperex ECC83 12AX7A Tube Gt. Both tubes tested on a professionally calibrated TV7U tube tester with the following results (32 is minimum).