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(!!!!) (Best Pair) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (8ma and 8ma) 1-2% matched
(!!!!) (Best Pair) JHY-6AK5 Hytron black plate NOS 1952 (8.9ma and 9.3ma)
(!!!!) (Best Price) 6AU8 Sylvania NOS (4 for $9.99)
(!!!!) (Best Price) 6AU8A RCA NOS (4 for $9.99)
(!!!!) (Best Quad #1) 6SH7 GE metal can NOS 1976 (10.6, 10.6, 10.4, 10.5mA)
(!!!!) (Best Quad) 6BL7GTA Sylvania black plates NOS 1960's same build matched quad
(!!!!) (BEST RCA PAIR) 6EU7 RCA NOS 1970 (49-51/32 and 51-52/32)
(!!!!) (Best Single #1) 12AX7=ECC83 Philips Miniwatt Holland ribbed plates NOS 1965 (1.4/1.3ma and Gm=1900/1900) 1-2% section balance
(!!!!) (Best Single #1) 12AX7A RCA ribbed plates NOS 1965 (Gm=1800/1600, 1.4/1.0ma)
(!!!!) (Best Single #1) 12BH7A RCA NOS 1974 (10/8.8ma)
(!!!!) (Best Single #1) 12BH7A Sylvania gray pinched plates "O" getter NOS 1960's (9.4/9.2ma) (Same Gm) 1-2% section balance
(!!!!) (Best Single #1) 2C51=5670 Sylvania NOS 1970's (9.2/9.0ma) 1-3% section balance
(!!!!) (Best Single #1) 5692 CBS Hytron Brown base NOS 1957 (8.0/8.4ma)
(!!!!) (Best Single #1) 6C10 GE rebranded RCA NOS 1960's (Ampeg / Fender) (1.3ma/1.3ma/1.0ma)
(!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (11.0ma and 10.6ma) (Same Gm)
(!!!!) (BEST SINGLE #1) EF804S Telefunken Germany <> bottom NOS 1961 (4.0ma) (Highest mA and Gm) (V72 / V76 preamp)
(!!!!) (Best Single #1A) 6C10 RCA branded Westinghouse NOS 1971 (Ampeg / Fender) (1.4ma/2.0ma/1.5ma) (Strongest Single)
(!!!!) (Best Single #2) 12AU7=ECC82 Mullard UK shield logo NOS 1965 (11.2/12.6ma) (smooth rich sound)
(!!!!) (BEST SINGLE #2) 2C51=396A=5670 GE NOS "D" getter gray plates 1960 era rebranded National 1970's (8/7ma)
(!!!!) (Best Single #2) 6SN7GTB RCA NOS 1961 (9.6/10ma) (same Gm)
