- Antique Design: Its antique "guard" shape structure which allows a good power dissipation
- Material:The Gold-plating tube's feet are corrosion and oxydation resisting,this feature makes it have better contacting and electric conduction.
- Double Triode:6SN7 is double triode which is used for voltage amplication in circuits.Normally it applies in class A1 amplifier.
- Matched Pairing Tubes:2PCS 6SN7 Vacuum Hifi Valve Electronic Tube for Class Pairing Audio Amplifier and can directly replaced by CV181 6N8P ECC32.
- Linlai tube:It is private produced process researched and developed by Linlai factory.