Beiging vacuum tube, voltage amplification tube 6N2. I have two, but I will sell one. Essential for improving the sound quality of audio equipment. - Manufacturer: Beiging - Type: Vacuum tube 6N2 - Application: Voltage amplification - Quantity: 1 tube I purchased this as interior decoration. It has been kept in a bag and stored at home. I have not confirmed the operation, so please consider it as a used item, although it is new. If you want two, please comment. Please understand and consider these points.