(!!!!) (Best Single) 83 GE NOS 1959 (65/40 and 65/40)
(!!!!) (Recommended Pair) 83 GE NOS 1960's (62-65/40 and 62-63/40)
(!!!!) (Recommended Pair) JAN-CRC-30 RCA NOS 1940's same build (2.9ma and 3.0ma)
(!!!) (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma)
(!!!) (Recommended Pair) 83 Sylvania branded RCA NOS 1984 original boxes (61-62/40 and 60-62/40)
(!!!) (Recommended Single) ER-230=30 Raytheon 1930's used/like new (4.1ma and Gm=800)
(!!!) (SINGLE) 6F8G National Union parallel dark gray plates 1950 era (11.2ma and 12.8ma)
(!!!) (SINGLE) 6F8G Sylvania parallel black plates like new 1940's (10.8ma and 9.2ma)
(!!!) 83 Westinghouse low hours/tests like new 1948 small amount of graphite flaked off one plate (62/40 and 63/40)
(!!) (#2 83 single) JAN-CRC-83 RCA NOS 1952 some black graphite flakes inside tube flaked off plate (58/40 and 60/40)
(!!) (Best Value Pair) 30 Sylvania NOS branded DELCO NOS 1947 (3.3ma and 2.8ma)
(!!) (Single) 6F8G National Union parallel plates like new 1950 (9.4ma and 8.0ma)
(!!) 2A3 Sylvania black plates connected in middle like new 1940's (104ma)
(!!) 2A3 Sylvania rebranded National Union black plates connected in middle like new 1940's (108ma)
(!) (Best Single) 5Z3G Hytron NOS 1947 (51/40 and 51/40)
(Best Value) 5V4G RCA black plates used/very good 1948 (54/40 and 57/40)
(Best Value) 5V4G RCA Victor black plates used/very good 1948 (53/40 and 54/40)
(sold out) 349A Western Electric
25L6GT RCA NOS 1963 (98/60)
25L6GT Sylvania NOS 1947 (67/45)