Mullard Blackburn used, tested
12AU7 ECC82
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RCA used, tested
12AU7 ECC82
Clear Top
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1965 vintage, Used, tested RCA 5V4G rectifier tube, made in USA
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Used, fully tested RCA 2A3 power tube with grey plates, made in USA
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RCA Made GE Branded Red Base 5692 - Used, tested on Hickock 539B
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Used, tested Sylvania Black Plates 5V4GA rectifier tube, made in USA
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1952 vintage, Used, tested Hytron branded, RCA-made 5V4G rectifier tube, made in USA. Lovely black plates, base D getter.
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Three matched, tested Magnavox 12DW7 7247 tubes, manufactured in Great Britain - Test as NEW!
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Used, tested BK brand 83 rectifier tube
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