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(!!) (BEST PAIR) 6DQ6B Sylvania NOS 1960's same build (78ma and 80ma)
(!) (Best Single) 6DQ6B RCA NOS 1970's (120ma)
(!) 6DQ6B RCA NOS 1970's (75ma)
6DQ6B GE NOS (55ma)
6DQ6B Sylvania NOS 1960's (75ma)
6GX6