4pcs ShuGuang 5881A Vacuum Valve Tube Amplifier Matched Quad New Version. Type : 5881A. Four 5881A ( Matched Quad ). ShuGuang factory 2024 year new upgrade version.
Item Tag: 5881A
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Matched Quad ShuGuang 5881A 6L6 GC 5881 Vacuum Tube Amplifier Classic NewVersion
4pcs ShuGuang 5881A Vacuum Valve Tube Amplifier Matched Quad New Version. Type : 5881A. Four 5881A ( Matched Quad ). ShuGuang factory 2024 year new upgrade version.