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Description
1 pair) 6BQ5=EL84 GE NOS 1959-1961
1 tube) 50.5ma and Gm=12,100 (1961)
1 tube) 52.5ma and Gm=11,200 (1959)
Tested on Amplitrex
Good Ma range 40-48ma
Good Gm = 10,000-11,000
