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(!!!!) (Good Value Pair) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's 1-2% matched - slightly faded top getters (54-55/40 x 2 tubes)
(!!!) (BEST PAIR) 6X4WA Sylvania NOS 1960's - 1970's (55-55/40 and 54-55/40)
(!!!) (BEST VALUE SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's slightly tilted glass (52/40 and 54/40)
(!!!) (BEST VALUE SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's slightly tilted glass (54/40 and 54/40)
(!!!) (Recommended Single) JTL-6X4WA Tungsol NOS 1965 tests like new (64/40 and 66/40) (Highest testing single)
(!!!) (Set of 74) 6X4 US Brands NOS original boxes 1950-1980 era (set of 74)
(!!!) (Single) GB-6X4WA Sylvania Gold Brand NOS "D" getter 1960 era (57/40 and 57/40)
(!!!) FAA-6X4WA Sylvania NOS 1965 (55/40 and 57/40)
(!!) 6X4 RCA NOS 1969 (50/40 and 51/40)
(!) 6X4 Philco by Sylvania NOS "D" getter 1959 (54/40 and 55/40)
(!) 6X4 Philco by Sylvania NOS 1961 (51/40 and 52/40)
(!) JAN-6X4WA Sylvania used/good 1967 (48/40 and 50/40)
(!) JHS-6X4W Sylvania NOS 1961 (54/40 and 55/40)
(Best Single) 6202 Tungsol NOS curved "D" getter 1960 in white box (58/40 and 62/40)
(READ REVIEW) JRP-6X4W Raytheon "D" getter low hours/like new 1952 (66/40 and 68/40)
6202 GE branded National NOS 1960's (51/40 and 51/40)
6202 GE rebranded 6X4WA GE NOS 1966 (54/40 and 54/40)
6202 GE tests like new no printing 1960's (54/40 and 56/40)
6202 GE used/good 1960's (51/40 and 51/40)
6202 RCA low hours/like new 1969 (55/40 and 60/40)
