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(!) ECF82=6U8 Telefunken <> bottom used/good 1967 (13.4ma triode and 6ma pentode)
(Best Value) 6U8A Rogers Canada NOS 1974 (14.8ma triode and 8ma pentode)
(READ REVIEW) (Best Pair) 6U8A GE NOS 1974-1977 (15.0/10ma and 16.5/10.4ma) (tuner)
(READ REVIEW) 6U8A Philips by Sylvania NOS 1986 (18.3/7.6ma and 18.3/8.0ma) 1-3% matched
6678=6U8A GE NOS (3 in stock)
6U8A used/good
6U8A=6678 Dumont NOS 1971 (19.7/7ma)
7687 Sylvania NOS 1962 (sold out)
FAA-6U8A Sylvania NOS 1968 (13ma and 8.8ma)
JHS-6U8A Sylvania NOS 1966
