(!!) (Best Single) 12BH7A Channel Master Japan by Hitachi 1959 (14.2/13.2ma) (McIntosh, Quicksilver, Art Audio, Wells) 12BH7A: 12BH7A

1 low noise pair) 12BH7A Channel Master Japan large “”D”” getter by Hitachi 1959

14.2ma Gm=3500

13.2ma Gm=3400

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