(!!!!!) (Recommended Single) CV4035=M8214=12AX7 Brimar England NOS flying leads 1960's (solder leads into ckt)
(!!!!!) (Recommended Single) CV4035=M8214=12AX7 Mullard England box plates NOS flying leads 1961 (solder leads into ckt)
(!!!!!) (Recommended Single) ECC83=12AX7A Tungsram Hungary branded RCA NOS 1970's (Gm=1700/1900) (1.0/1.4ma)
(!!!!!) (Recommended Single) JG-6072 GE triple mica black plates "O" getter NOS 1962 (3.1/3.2ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE) (same Gm)
(!!!!!) (Recommended Single) KT88 GEC UK used/tests like new 1960's (137.6ma, Gm=10,800)
(!!!!!) (Recommended Single) M8137=CV4004=12AX7 Mullard branded Philips box plates NOS 1966 (Gm=1500/1400 and 1.0/0.8mA)
(!!!!!) (Recommended XF2 Pair) EL34 Mullard UK XF2 single halo "O" NOS 1969-1970 (87.6ma and 90.5ma) (close Gm)
(!!!!!) (RecommendedPair) JAN-5691 Philips by Sylvania black plates NOS 1984-1985 (2.0/2.2mA and 2.1/2.4mA) (Best 6SL7GT sub) (same internals as 5691 red base) 1-3% matched
(!!!!!) (Set of 4) 6J5GT Raytheon black ribbed plate NOS 1950 era (set of 4 tubes between 7-10ma)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (58/40 and 63/40)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (58/40 and 64/40) (Fender, Supro, Victoria, Decware) (Best Sound for the money) (Copy)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (60/40 and 65/40) (Fender, Supro, Victoria, Decware) (Best Sound for the money)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (60/40 and 66/40) (Fender, Supro, Victoria, Decware) (Best Sound for the money)
(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)
(!!!!!) (Single) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new (2.8/3.6ma) (mic grade)
(!!!!) (1 Pair) 408A Western Electric "D" getter NOS 1956-1961 (72/60 and 72/60)
(!!!!) (10 for $24.99) 6AU8 Sylvania NOS
(!!!!) (2nd Best Amperex PQ Single) 6922 Amperex PQ USA NOS 1962 (14.5/16.2ma) (Audio Research, Nova)
(!!!!) (2nd Best GE Pair) 5U4GB GE NOS 1977 (62-61/40 and 60-62/40 x 2 tubes)
(!!!!) (2nd Best Pair 1968) PCC88=7DJ8 Philips Holland "O" getter NOS 1968 (12.6/14.2ma and 15/12ma) (sweet sound)
