This product is a lot of 7 RCA and GE 3BZ6 vacuum tubes, both NOS (New Old Stock) and NIB (New In Box). These vintage tubes are made in the United States and have not been modified. Ideal for collectors or vintage audio enthusiasts looking to add high-quality RCA tubes to their collection, these 3BZ6 vacuum tubes are a valuable addition to any vintage electronics collection.
Item Tag: Non
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1956 UNITED USAF-596 RECTIFIER TUBE NOS BLACK PLATE 5U4G WE 274B 5U4 5AR4 GZ34
LOOKS NEW TESTED FOR CONTINUITY WAS IN A BOX WITH ABOUT A DOZEN OTEHR TUBES MARKED NOS.