MATCHED PAIR – tubes has identical electrical characteristics. Different Dates 51 year. All tubes are tested on High-End Soviet Tube Tester L3-3.
1 x TESTED 6N8P Shuguang CHINA 1962y Replace 6N8S 6SN7 ECC32 TUBE METAL BASE
6N8P / 6N8S. 6N8S test results 9.0 9.0. We test our tubes from this type on High-End Soviet Military Tube Tester: L3-3, as pictured below! MADE IN CHINA.