(!!) (Recommended Pair) 6186=6AG5WA RCA NOS 1962 (7.8ma and 8.3ma)
(!!) (Recommended Pair) 6186=6AG5WA Sylvania NOS 1967 (7.3/7.7ma)
(!!) (Recommended Pair) 6AG5 Raytheon NOS 1960's (8.8ma and 9.4ma)
(!) JAN-6186=6AG5WA Sylvania NOS 1969 (7.7ma)
(!) JHS-6186=6AG5WA Sylvania NOS 1965 (9.7ma)
6AG5 GE NOS 1960's same date codes (1 pair: 9.3ma and 9.2ma)
