(!!!) (Best 12AT7WC Single) JAN-12AT7WC Sylvania black plates NOS 1978 (9/10ma)
(!!!) (Best Matched Quad #1) 5Y3GT Philips Holland NOS 1960's (1 set of 4)
(!!!) (Best Pair for the money) 5Y3GT Philips Holland NOS 1960's (58-64/40 and 59-65/40)
(!!!) (Best Pair) 6V6GT Raytheon black plate coated glass NOS 1951 (41.5ma and 45ma)
(!!!) (Best Single 1966) 12AX7A RCA ribbed plates NOS 1966 (Gm=1800/1600, 1.3/1.0ma) (best tone, 2nd best to Mullard)
(!!!) (Best Single) 12AY7 GE "GRAY BOX PLATES" and "D" getter NOS 1953 (3.3/3.1ma)
(!!!) (Best Single) 6V6G GEC UK branded Haltron NOS coated glass NOS 1940's (49ma)
(!!!) (Best Value Single) 12AX7=ECC83 Mullard UK ribbed plates used/good 1967 (1.7/0.8ma and Gm=2000/1600) (V1 guitar amp)
(!!!) (Best Value Single) 6201=12AT7 GE Hewlett Packard NOS 1968 (8.2/9.6ma)
(!!!) (Good Value Pair) 6SC7 GE metal can NOS 1977 (1.6/1.9ma and 1.6/1.9ma) 1% matched
(!!!) (Good Value Single) 12AX7A RCA Magnavox ribbed plates used/good 1961 (Gm=1500/1900 and 0.8/1.3ma)
(!!!) (Good Value Single) 12AX7A RCA ribbed plates NOS 1974 (Gm=1600/1400, 1.1/0.8ma)
(!!!) (Good Value Single) 12AX7A RCA ribbed plates used/good 1960's faded printing (Gm=1400/1700 and 0.8/1.1ma)
(!!!) (Good Value Single) 12AY7 GE "D" getter NOS 1955 (2.2/1.9ma)
(!!!) (Good Value) 12AX7 RCA "long gray plates" with "D" getter used/good 1960 good printing (0.6/0.7mA and Gm=1400/1500)
(!!!) (Good Value) 12AX7A RCA gray ribbed plates "O" getter halo NOS 1973 (1.0/0.9mA and Gm=1400/1550)
(!!!) (Good Value) 12AX7A RCA gray ribbed plates "O" getter halo NOS 1974 (0.8/1.0mA and Gm=1350/1550) (Fender, McIntosh)
(!!!) (Recommended Pair) 12AT7 RCA gray plates NOS 1974 (10.5/7.5ma and 10.8/8.2ma)
(!!!) (Recommended Pair) 12AY7 Zenith Sylvania NOS 1960 (2.3/2.8ma and 2.5/2.8ma)
(!!!) (Recommended Pair) 5Y3GT Philips Holland NOS 1960's (61-68/40 and 60-68/40)