SN1778A

1 NOS CASE 200 TUBE’S SYLVANIA GOLD BRAND 6K4 / SN1778A JHS 5977 AUDIO TRIODE’S

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Consumer Electronics:Vintage Electronics:Vintage Audio and Video:Vintage Parts and Accessories:Vintage Tubes and Tube Sockets – 1 NOS CASE 200 TUBE’S SYLVANIA GOLD BRAND 6K4 / SN1778A JHS 5977 AUDIO TRIODE’S