(!!!) (BEST PAIR) 6LF6 Sylvania NOS 1970's (131ma and 134ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1964-1965 (11.4ma and 11.8ma)
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (10.8ma and 11.2ma) 1-3% matched
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (11.2ma and 11.6ma) 1-3% matched
(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (12.0ma and 12.4ma)
(!!!) (PAIR) EF184 Mullard branded Philips NOS 1964-1965 (8.0ma and 8.2ma) 1-3% matched
(!!) (Recommended Pair) 6LF6 JAPAN Big Bottle Euro style construction NOS 1970's (92ma and 87ma)
(!!) (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!!) EF184 Siemens Germany NOS 1967 (7ma)
(!!) EF184 Siemens Halske branded Zenith Germany NOS 1969 (9.4ma)
(!!) EF184=6EJ7 Mullard UK in Kradlepack box 1969 (9.7ma)
(!) (Recommended Pair) 6LF6 Sylvania NOS same build (115ma and 121ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (11.5ma)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (12.2ma)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (15.2ma)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (15.6ma)
(!) (SINGLE) EF184 RCA Holland NOS 1962 (10ma)
(!) (SINGLE) EF184 RCA Holland NOS 1962 (9ma)
6EJ7 GE NOS (7.3ma)
6EJ7 RCA by Siemens Germany NOS 1971 (10ma)
