EL34B 6CA7 / Matched Quad / ShuGuang / Vacuum Tube/Valve Amplifier/ Original Box
4pcs ShuGuang EL34B 6CA7 Vacuum Valve Tube EL34 Amplifier Matched Quad New Version. Type : EL34B. Four EL34B ( Matched Quad ). ShuGuang factory 2024 year new upgrade version.
