Shuguang SG-845 Vacuum Tube Integrated Amplifier 300B 845 Class A. Power output: 20W + 20W(Class A max 22W) Frequency reponse: 20 - 25kHzbr> Noising voltage: 1mV S/N ratio: 88dB Input impedance: 100K Input sensitivity: 1V Output impedance: 48 Vacuum tubes: 845 x2 300B-98 x2 64 x2 Power supply: AC 110 - 220V ±10% 60/50Hz Poweer consumption: 330W Volume: 485 x 280 x 260 mm Net weight: 36kg Gross weight: 45kg. All items guaranteed brand new in the Box. The item "Shuguang SG-845 Vacuum Tube Integrated Amplifier 300B 845 Class A Brand New" is in sale since Wednesday, April 16, 2014. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "hifi-china" and is located in China. This item can be shipped worldwide.