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44 Philco Balloon
44 Premier NOS 1940's
44 Sylvania balloon used/good 1940's
46 Ken Rad branded Coronado used/tests like new 1940's (52.5ma Gm=2700)
4624 RCA NOS in factory sealed boxes 1960's (8 in stock) (sold as-is)
4654K=EL39 (sold out)
4699=EL6 Philips Miniwatt 1940's used/very good (45ma)
46=VT-63 Ken Rad low hours/tests like new 1940's (57.2ma Gm=2660)
46=VT-63 Tungsol NOS 1940's (56.5ma Gm=3100)
47 RCA used/good 1940's rebranded Silvertone (30ma Gm=2150)
482B=182 Sparton engraved base tests like new 1930's (21ma Gm=2000)
49 Tungsol NOS 1940's (45/28)
4BQ7A Raytheon NOS (5 in stock)
4C35 Kuthe Labs made for Marconi 1951 low hours/like new
4C35 Kuthe Labs made for Marconi NOS 1951 (1 in stock)
4C35 Sylvania Hydrogen Thyratron NOS (1 in stock)
4CX250B=7203 Amperex used in Eimac box as-is
4CX250B=7203 RCA open box 1971
4CX250K=8245 Eimac like new 1963 was hermetically sealed (similar to 8172)
4CX250K=8245 Eimac NOS 1960's hermetically sealed (6 in stock) (similar to 8172)
