RARE Matched Quad (4) Siemens RFT EL34/6CA7 vacuum tube tested on a calibrated Amplitrex AT1000. Test data as shown in photos. Love the tube but don’t like the price? Please feel free to use the “Make an Offer” feature. No reasonable offer refused! Always willing to combine shipments, just let me know.
Item Tag: 6CA7
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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.