(!!) ECL82=6BM8 RCA Mexico NOS 1970's (2.7ma/32ma) (build like Holland 6BM8)
(!!) (Best Value Single) ECL82=6BM8 RCA Mexico NOS 1970's (2.1ma/28ma)
(!!!) (Recommended Mullard Pair) 6BM8=ECL82 Philips Mullard NOS 1973-1974 (2.3ma/2.3ma and 25/28ma)
(!!!!) (Best Pair) ECL82=6BM8 Adzam and Dumont Holland 1967-1968 NOS (2.3/2.6ma and 39/41.5ma)
(!!!) (Recommended Pair) ECL82=6BM8 Pope and Philips Holland made in Belgium NOS 1970 (2.2/2.3ma and 28/31ma)
6BM8 Philips Miniwatt by Valvo Germany used 1961
(!!) ECL82=6BM8 RCA Mexico NOS 1970's (1.8ma/28ma)
(!!!) (Best Value Pair) 6BM8=ECL82 Mullard branded Sylvania NOS 1966-1969 (2.3/24ma and 2.5/23ma)
(!!!) (Best Pair) 6BM8=ECL82 Philips Holland made in Belgium NOS 1969 (1.8ma/31ma and 1.9/30ma) 1-2% matched