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(!!!!!) (Best Value Single) EZ81 Philips Miniwatt by Mullard Blackburn UK

(!!!!!) (Best Value Single) EZ81 Philips Miniwatt by Mullard Blackburn UK "D" getter low hours/tests like new 1962 (56/40 and 56/40) 1% section balance

$ 99.99
(!!!!!) (Best Value) EZ81 Philips Miniwatt by Mullard Blackburn UK

(!!!!!) (Best Value) EZ81 Philips Miniwatt by Mullard Blackburn UK "O" getter used/tests like new 1965 (58/40 and 58/40) 1% section balance

$ 79.99
(!!!!) (Best Overall Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 49/40 x 2 tubes) 1% matched

(!!!!) (Best Overall Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 49/40 x 2 tubes) 1% matched

$ 59.99
(!!!!) (Best Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 50/40 x 2 tubes) 1% matched

(!!!!) (Best Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 50/40 x 2 tubes) 1% matched

$ 54.99
(!!!!) (Best Quad) EZ81=6CA4 RFT East Germany (Funkwerk) NOS 1970's (1 quad)

(!!!!) (Best Quad) EZ81=6CA4 RFT East Germany (Funkwerk) NOS 1970's (1 quad)

$ 99.99
(!!!!) (Best Single) EZ81=6CA4 Philips Australia NOS 1974 (58/40 and 58/40) (similar sound to EZ81 Holland) 1% section balance

(!!!!) (Best Single) EZ81=6CA4 Philips Australia NOS 1974 (58/40 and 58/40) (similar sound to EZ81 Holland) 1% section balance

$ 49.99
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded Philips Miniwatt Holland

(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded Philips Miniwatt Holland "D" getter used/strong 1958 (55/40 and 56/40)

$ 64.99
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (48-48/40 and 49-49/40)

(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (48-48/40 and 49-49/40)

$ 47.99
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (47-48/40 and 48-48/40)

(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (47-48/40 and 48-48/40)

$ 49.99
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49-49/40 and 48-49/40)

(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49-49/40 and 48-49/40)

$ 49.99
(!!!) (BEST PAIR) 6CA4 RCA NOS 1969-1970's (52/40 and 53/40 x 2 tubes)

(!!!) (BEST PAIR) 6CA4 RCA NOS 1969-1970's (52/40 and 53/40 x 2 tubes)

$ 64.99
(!!!) (BEST SINGLE) 6CA4=EZ81 GE NOS 1970 (55/40 and 55/40) 1% section balance

(!!!) (BEST SINGLE) 6CA4=EZ81 GE NOS 1970 (55/40 and 55/40) 1% section balance

$ 29.99
(!!!) (Best Single) EZ81=6CA4 RFT East Germany NOS 1970's (49/40 and 49/40)

(!!!) (Best Single) EZ81=6CA4 RFT East Germany NOS 1970's (49/40 and 49/40)

$ 24.99
(!!!) (Best Single) EZ81=6CA4 RFT East Germany NOS 1970's (49/40 and 50/40)

(!!!) (Best Single) EZ81=6CA4 RFT East Germany NOS 1970's (49/40 and 50/40)

$ 24.99
(!!!) (Best Single) EZ81=6CA4 RFT East Germany NOS 1970's (50/40 and 50/40)

(!!!) (Best Single) EZ81=6CA4 RFT East Germany NOS 1970's (50/40 and 50/40)

$ 24.99
(!!!) (Best Value Single) EZ81=6CA4 Sonotone USA branded Westinghouse NOS 1961 (54/40 and 56/40)

(!!!) (Best Value Single) EZ81=6CA4 Sonotone USA branded Westinghouse NOS 1961 (54/40 and 56/40)

$ 39.99
(!!!) (Recommended Single) EZ81=6CA4 RFT East Germany NOS 1970's faded printing (50/40 and 50/40)

(!!!) (Recommended Single) EZ81=6CA4 RFT East Germany NOS 1970's faded printing (50/40 and 50/40)

$ 23.79
(!!!) 6CA4=EZ81 GE NOS 1980 (55/40 and 55/40)

(!!!) 6CA4=EZ81 GE NOS 1980 (55/40 and 55/40)

$ 27.99
(!!) (Best Pair) 6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40 x 2 tubes) 1% matched

(!!) (Best Pair) 6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40 x 2 tubes) 1% matched

$ 59.99
(!!) (BEST VALUE SINGLE) 6CA4 RCA branded Tungsol NOS 1960's slightly tilted glass and top mica (52/40 and 52/40)

(!!) (BEST VALUE SINGLE) 6CA4 RCA branded Tungsol NOS 1960's slightly tilted glass and top mica (52/40 and 52/40)

$ 25.99
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