(!!!) (Best Value Pair) 12AX7A=ECC83 Raytheon by HITACHI JAPAN NOS 1960's (1.5/1.4ma and 1.6/1.4ma) (High mA and Gm) 1-3 % matched
(!!!) (Best Value PAIR) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (11.0/10.4ma and 10.7/11.0ma)
(!!!) (Best Value Pair) 6SN7GTB RCA coin-base black plates 1970-1975 (8/10ma and 9.8/8ma)
(!!!) (BEST VALUE PAIR) 6X5GT GE coin-base NOS 1970's (50-50/40 and 51-52/40)
(!!!) (BEST VALUE PAIR) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (13.0/14.5ma and 13.2/13.4ma)
(!!!) (BEST VALUE SINGLE) 6X5GT GE coin-base NOS 1970's (47/40 and 52/40)
(!!!) (Best Value Single) CV4003=12AU7 RFT East Germany NOS 1974 (12.2/12.8ma)
(!!!) (BEST VALUE SINGLE) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (15.2/15.0ma)
(!!!) (BEST VALUE SINGLE) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (20 in stock)
(!!!) (BEST VALUE) EM84=6FG6 Ei Yugoslavia NOS 1970's (10 in stock) (bright eyes)
(!!!) (BEST VALUE) EM84=6FG6 Sylvania India NOS 1970's (1 in stock) (bright eyes)
(!!!) (Best Value) JAN-6X4WA Sylvania NOS 1972-1979 (1 in stock)
(!!!) (Best Value) JAN-CHY-5Y3WGTA CBS Hytron triple mica D getter like new 1955 (52/40 and 57/40)
(!!!) (Good Value Pair) 6SL7GT GE NOS round chrome plates 1969 (1.8/1.9ma and 1.9/2.0ma) (same Gm)
(!!!) (Good Value Pair) JHS-5687WA Sylvania used/very good 1960's faded printing (35.4/34.2ma and 37.0/36.5ma)
(!!!) (Good Value Single) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good (8.4/9.8ma)
(!!!) (Recommended Pair) 6005W Sylvania JAN black plate clear glass NOS 1971 (45.8ma and 46.6ma)
(!!!) (Recommended Pair) 6AQ5A Sylvania black plate NOS 1970's (50.5ma and 52ma)
(!!!) (Recommended Pair) 6BQ5 RCA NOS 1965 and 1971 (48.8ma and 50.5ma)
(!!!) (Recommended Pair) 6BQ5 Sylvania gray plate NOS (46.6ma and 47.6ma)