(1) SYLVANAIA JAN 6L6WGB 5881 NOS AUDIO POWER TUBES. Sylvania 6L6WGB. JAN production, brown base, short bottle design. Gm Nominal (Pentode) = 6000 Minimum Good = 3900. We’ve seen this opinion on hobbyist forums for many years, and took it to heart.
Item Tag: 6L6WGB
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6L6WGB TUNG SOL 5881 JAN CTL AUDIO TUBE NOS NIB *eTRACER* #12B81
(1) TUNG-SOL JAN 6L6WGB 5881 NOS AUDIO POWER TUBES. Tung-Sol 6L6WGB. JAN-CTL production, short bottle design. Gm Nominal (Pentode) = 6000 Minimum Good = 3900. We’ve seen this opinion on hobbyist forums for many years, and took it to heart.
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6L6WGB TUNG SOL JAN-CTL AUDIO POWER TUBE NOS (1958) *eTRACER* #12B5
(1) TUNG-SOL 6L6WGB 5881 JAN-CTL NOS AUDIO POWER TUBE. Gm Nominal (Pentode) = 6000 Minimum Good = 3600. JAN-CTL type, brown base, date code indicates production in October, 1958. We’ve seen this opinion on hobbyist forums for many years, and took it to heart.