(!!!!!) (MATCHED QUAD) JAN-CW-231D Western Electric NOS 1953 (1.7/1.7/1.7/1.7ma) 1-2% matched
(!!!!) (Best Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (54-64/40 and 57-62/40)
(!!!!) (Best Single) 5Y3GT RCA Motorola NOS 1960 (61/40 and 65/40)
(!!!!) (Best Single) 6X5GT Philips Miniwatt Australia NOS 1940's (53/40 and 53/40)
(!!!!) (Best Single) 83 GE NOS 1959 (65/40 and 65/40)
(!!!!) (Best Value Single) 6X5GT Philips Miniwatt Australia NOS 1940's (49/40 and 50/40)
(!!!!) (Recommended Pair) 83 GE NOS 1960's (62-65/40 and 62-63/40)
(!!!!) (Recommended Single) 6X5GT Philips Miniwatt Australia NOS 1940's (54/40 and 56/40)
(!!!) (Best Single) 6X5GT RCA NOS 1946 (55/40 and 60/40)
(!!!) (MATCHED QUAD) JAN-CW-231D Western Electric NOS 1953 (1.5/1.5/1.5/1.5ma) 1-2% matched
(!!!) (MATCHED QUAD) JAN-CW-231D Western Electric NOS 1953 (1.6/1.6/1.6/1.5ma) 1-2% matched
(!!!) (Recommended PAIR 1953) JAN-CW-231D Western Electric NOS 1953 (1.5ma and 1.5ma)
(!!!) (Recommended PAIR 1953) JAN-CW-231D Western Electric NOS 1953 (1.8ma and 1.8ma)
(!!!) (Recommended Pair) 83 Sylvania branded RCA NOS 1984 original boxes (61-62/40 and 60-62/40)
(!!!) (Recommended Single) 5Y3GT RCA NOS 1974 (60/40 and 65/40)
(!!!) 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)
(!!) (2nd Best Pair) 6K6GT RCA NOS coated glass 1949 (38ma and 40ma)
(!!) 6SN7GTB Tungsol black plates tall bottle "U" getter used/good 1950's (9.2/8.2ma)
(!) (#1 231D Best Value Pair) 231D Western Electric NOS 1953 (1.8/1.8ma)
