Matched pair 6201 GE 12AT7WB Triple Mica Square Getter tested 90% of NOS
Type: 6201 12AT7WB ECC81 E81CC ECC801S. Model: 12AT7WB ECC81 ECC801S. RARE Triple Mica, Square Getter, Black Anodes (Carbonized Nickel). Tested 90% of NOS values, balanced sections. A lot of life left in them.