6N2 6P1 5Z4PA Spartan T1 Push-Pull Tube Amplifier 8W+8W Power Amplifier with Meter Finished Product Description: For the tube part, the front tube of this machine adopts 6N2 tube, which is a high U tube with large amplification coefficient and beautiful sound. The rear tube uses 6P1 tube, which is balanced in three sections and has a delightful timbre, which is very pleasing. The combination of these two pipes is perfect. Specifications: Electric cattle: 9660 165W, brand new premium piece1 Output cattle: 6635 15W fever 4+3 winding method, imported Nippon Steel 0.35 Z11 piece2 Chokes: 5725 4H new premium piece1 Electron tube: 6N22 / 6P14 / 5Z4PA1 Output power: 8W+8W Frequency response: 20hz-20khz Output impedance: 4 ohms and 8 ohms Signal to noise ratio: 90db Input sensitivity: 500mv-1000mv Input impedance: 100k? Harmonic distortion: 1% (1khz) Dimensions: 320mm (length) 210mm (depth) 160 (height) Net weight: about 9kg Package List: 1 x Finished Tube Amplifier Note: -This amplifier does not include power cords and audio cables. The amplifier must be connected to the speaker and then powered on, because the amplifier is an output transformer with a load, otherwise it is very easy to burn the output transformer. Usually it cost about 35USD-50USD. Thanks for your understanding. If you receive defective item, please kindly notify us within 14 days.