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RCA Cunningham 80 - engraved base
The 80 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This rare tubular envelope version by GE has a bottom D getter and round black plates. The full black base has red or white lettering. Tube tests as new.
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The 80 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This ST envelope version by Raytheon has a bottom D getter and flat black plates.
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Price: From $49.00 to $99.00
This RCA UX-280 4-pin rectifier tube has a globe bottle, smooth black plates, and an engraved base. Very rare tube to find testing as new!
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
PLEASE NOTE: Orders placed Feb. 7-Feb. 20 will ship Tuesday Feb. 21.
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