(!!!) (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 Single) JTL-6X4W Tungsol NOS 1955 curved "D" getter (49/40 and 52/40)
(!!!) (Single) 6X4 Tungsol NOS 1960's (60/40 and 66/40)
(!!) (Best Pair #2) 6AW8A GE NOS 1976 (3.3/3.6ma and 25.8/27.2ma) 1-3% matched (Shindo)
(!!) (Best Pair #3) 6AW8A GE NOS 1976 (3.1/3.3ma and 22/23ma) (Shindo)
(!!) (Best Pair) 6AL3=EY88 Rogers and RCA Holland 1968-1970 era Half-Wave HV Rectifier NOS (94/60 and 95/60)
(!!) (Best Pair) 6AW8A GE NOS 1964 (4.5/4.3ma and 20/19ma) 1-3% matched (Shindo)
(!!) (BEST RCA PAIR) 6AU4GTA RCA NOS 1961
(!!) (PAIR) 6AU4GTA GE coin-base NOS 1970's
(!!) (SINGLE) EF184 Siemens rebranded RCA NOS 1970 (13.2ma)
(!!) 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)
(!) (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)