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(!!) (Single) 6SL7GT Tungsol tall bottle gray ribbed plates around 1960 (2.2/1.6ma)
(!!) (Single) PCC88=7DJ8 Philips Holland 1973 (9.5/10.6ma)
(!!) 12AX7 Hitachi Japan branded Bell and Howell used/good 1962 (Gm=1500/1400)
(!) (BEST PAIR) 6CA4 RCA NOS 1960's - 1972 (54-56/40 and 54-54/40) (Wright, Counterpoint, Cary, Zanden)
(!) (Recommended Single) 6EU7 RCA NOS 1970's (51/32 and 60/32)
(!) (Recommended Single) 6GM8=ECC86 SIEMENS HOLLAND NOS 1970 (4.0/5.0ma)
(!) 448A Western Electric smooth top used/good "D" getter halo 1963-1970 (1 pair: 35ma and 36.5ma) (Matched on Amplitrex)
(BEST PAIR) 3DG4 RCA NOS original boxes 1971 (1 pair)
(BEST VALUE) ECC808=6KX8 Telefunken Diamond Bottom <> NOS 1969 faded printing from rubbing inside box (0.8/1.0ma Gm=1350/1500)
(READ REVIEW) 5U4GB RCA NOS 1966-1968 (60-62/40 and 61-62/40) 1-2% matched (Copy)
(READ REVIEW) E88CC=6922 Siemens Halske Germany NOS 1962 (16.0/15.5ma) (mic grade)
25L6GT RCA NOS 1963 (98/60)
25L6GT Tungsol NOS 1940's (88/60)
3DG4 RCA NOS original boxes (11 in stock)
5U4GB Sylvania Canada NOS 1960's (61/40 and 64/40) (similar build to RCA)
6336A RCA used/good 1968 (81/120ma) ***
6AQ5A Amperex Japan NOS 1970 (48.8ma)
6CA4 RCA branded Super Airline NOS 1960 era (54/40 and 54/40)
6X5GT Sylvania chrome top used/good 1956 (47/40 and 50/40)
EL84 Philips Holland NOS 1970 (42ma)