Factory matched to within 1mA anode current. This product was available for sale in the EU prior to December 13th 2024.
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USA made by Tung Sol. Our usual tube tester is the AVO VCM163. One of the best testers in the world. Tested working, emission is 80% or greater, but are not a matched pair. 5881/6L6WGB Tung-Sol USA used similar appearance.
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JAN 6L6WGB Valve Tube. SYLVANIA, Made in USA. Grey Plate, Side Halo Getter.
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5881 6L6WGB Valve Tube. Grey Plate, 2x Halo Side Getters. GE, Made in USA.
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5881 6L6WGB Valve Tube. GE, Made in USA. NOS, Supplied in Original Box.
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NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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