Offered here is an exceptional vintage matched pair lot of 2 military-grade SYLVANIA JAN 12SN7GT dual-triode audio valves, pristine and clean in crisp white boxes. Made in the USA, these robust, high-performance 12V-heater equivalents to the legendary 6SN7 feature premium Black Plates and a solid Black Base construction, renowned for delivering supreme sonic clarity, rich textures, and classic American audio fidelity.

Each individual tube has been rigorously checked and verified on our laboratory-grade Amplitrex AT1000 digital tube analyzer. Following the exact formatting layout verified in image’s. the comprehensive data table below provides the full side-by-side factory parameters alongside the laboratory-measured test results for both triode sections.

 Note: Custom duties and taxes are the responsibility of the buyer in their country.

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