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12AX4GTB Raytheon JAPAN NOS 1960's
12AX4GTB Raytheon NOS 1960's (4 in stock)
12AX4GTB Sylvania NOS (6 in stock) (damper diode)
1654 low drain HV rectifier (3 in stock)
17AX3 GE branded Raytheon NOS (2 in stock)
17AY3A US Brands NOS (6 in stock)
19AU4GTA Mixed Brands NOS (20 in stock) (rectifier)
1DK27 GE JAPAN NOS
1DK29 Raytheon JAPAN NOS (1D-K29)
22BW3 Mixed Brands NOS (16 in stock) (rectifier)
253A Western Electric 1948
25Z5 Cunningham used/good 1940's (55/40 and 57/40)
25Z5 Philco used/good 1940's (50/40 and 51/40)
25Z5 RCA NOS (2 in stock)
25Z5 Sylvania NOS 1940's (2 in stock)
25Z5 Sylvania used/tests like new 1940's (53/40 and 54/40)
25Z5 Tungsol used/like new 1940's (55/40 and 55/40)
25Z5 US Brands NOS 1940's (10 in stock)
25Z5 used/good
25Z6 RCA Radiotron used/tests like new 1940 era (51/40 and 51/40) 1% diode balance