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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Sylvania 6L6 WGB Brown Base Audio Tube. 1940, 40s, 1950, 50s, 1960, 60s, 1970, 70s. Tube(s) shown in pictures will be the exact tube(s) you will receive. Tested STRONG @ 98 with a minimum of 55.
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For sale is a 6L6WGB Audio Classics Made in China, tests 85% on Dyna Jet model 606 tester.
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Can be used as a matching pair with a matching spare tube or as a triplet if needed. Reference tube is tested first then the tube listed for sale.
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6L6WGB Brown Base Valve Tube. SYLVANIA, Made in USA. Grey Plate, Single Side Halo Getter. Fully Tested on AVO VCM 163.
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5881 / 6L6WGB Tung-Sol 2 pieces used. Y ou will receive 2 pieces of 5881 / 6L6WGB Tung-Sol.
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I can provide a large number of spare parts for old PCs. We have a lot of products and only show a small number of products on the website.
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3 X 6L6WGB TUBE. 1980s PRODUCTION. TESTED IN AMPLITREX AT1000 TUBE TESTER 82% EMISSION (EM) 80% TRANSCONDUCTANCE (GM) 2.5mA/V GAS. 90% EMISSION (EM) 87% TRANSCONDUCTANCE (GM) 2.4mA/V GAS.
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