For Home Entertainment 6J5 Vacuum Tube 6J5 Pre-receiver Double-sided Foil PCB
Original 6J5 and NE5532 tubes are used. The PCB uses 1.6mm thick double-sided foil, 2.0 ounces of copper thickness, and full tin-spraying technology to ensure the quality of the PCB, and the performance of large and small currents is good.