AC12v XH-A201 Tube HIFI Pre-amp 12V AC-AC Linear Power Supply Adapter
12V AC 12VA AC/AC AC12v Power adapter. - XH-A201 Bile Vacuum Tube Valves HIFI Pre-amp. 6.0mm Tip barrel Connector. 12V AC, not DC. Output with Low Ripple Noise. Good working condition.