(!) (Recommended Pair) 5749=6BA6W Sylvania NOS 1966 (11.2ma and 10.4ma)
5749=6BA6W GE Hewlett Packard NOS 1960's (15ma)
5749=6BA6W RCA NOS (8.5ma)
5749=6BA6W RCA NOS 1960's in white box (8.6ma)
GB-5749=6BA6W Sylvania Gold Brand NOS 1960's (9.2ma)
JAN-5749=6BA6W Sylvania NOS 1969-1970 (10ma)
JHS-5749=6BA6W Sylvania NOS 1958 (9.2ma)
