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(!!!) (Best Raytheon Pair #4) CK-5687WB Raytheon black plates NOS 1970's (Audio Note, Manley, Modwright) (31/32ma and 32/31ma) 1-3% matched
(!!!) (Best Single #2) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (9.8ma/12ma) (recommended for mic)
(!!!) (Best Single 1965) JHS-12AX7WA Sylvania NOS 1965 (1.3/1.5ma and Gm=1700/1800)
(!!!) (Best Single) 807 Mullard UK Amperex NOS 1966 (69ma)
(!!!) (Best Singles) 374A Western Electric black plate used/test like new 1960's (21-25ma) (8 in stock)
(!!!) (Best Value Single) E80CF=7643 Valvo Germany branded International NOS 1961 (12.8/18mA) (PREMIUM 6BL8 SUB) (Tuners)
(!!!) (Best Value Single) E80CF=7643 Valvo Germany branded International NOS 1963 (10.8/13.4mA) (PREMIUM 6BL8 SUB) (Tuners)
(!!!) (Good Value Single) 12AU7 Philips Australia NOS 1970 era (9.6/8.8ma) (same internals as Holland made)
(!!!) (Recommended Pair 1963) JG-5751 GE double mica gray plates NOS 1963 (2.0/1.9ma and 1.9/1.8ma) (same Gm)
(!!!) (Recommended Pair) 407A Western Electric NOS "D" getter 1962-1970 (36-39/26 and 34-38/26)
(!!!) (Recommended Pair) 407A Western Electric NOS "O" getter 1978 (35-43/26 and 37-43/26)
(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)
(!!!) (Recommended Pair) 6DJ8=ECC88 Telefunken Germany <> bottom NOS branded Valvo 1960's (12/12.8ma and 13.8/12.6ma)
(!!!) (Recommended Single) 12AT7 Fisher Telefunken Germany <> bottom NOS 1964 (7ma/11ma) (recommended for mic)
(!!!) (Recommended Single) 12AT7 Fisher Telefunken Germany <> bottom NOS 1964 (9ma/6.5ma) (recommended for mic)
(!!!) (Recommended Single) 12AT7 Telefunken Germany <> bottom NOS 1957 (9.8ma/7.2ma)
(!!!) (Recommended Single) 6336A Tungsol NOS 1960 era (75/80ma) ***
(!!!) (Recommended Single) JAN-5751 GE double mica gray plates NOS 1981-1982 (2.3/2.7ma)
(!!!) (Recommended Single) JHS-6005 Sylvania NOS coated glass 1966 (45.6ma)
(!!!) (Recommended Single) JHS-6005 Sylvania NOS coated glass 1966 (46.5ma)