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280 RCA - globe bottle, smooth black plates, 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 lettering.
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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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The 80 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This ST envelope military version by Sylvania has a bottom D getter and smooth black plates. This tube also has the neat old anchor symbol on it.
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The 80 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This ST envelope version by Sylvania has a bottom D getter and smooth black plates.
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Price: Starting at $26.00
The 80 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This ST envelope version by RCA has an engraved base.
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The 380 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This globe envelope version by Cunningham has an engraved base. This tube tests weak, but still works.
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The 280 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. This globe envelope version labeled Wizard has an engraved base.
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Product Reviews
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles.
We also offer high quality and hard to find parts for DIY tube amplifier projects.
Our website features secure payment options and fast, convenient shipping around the world.
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