6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier without Bluetooth Specifications: Electric cattle: 9650 165W, brand new premium piece1 Output cattle: 6635 8W fever 4+3 winding method, imported Nippon Steel 0.35 Z11 piece2 Chokes: 5725 4H new premium piece1 Electron tube: 6J8P2/ FU502 / 5U4C1 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: 100kO 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, and without Bluetooth. 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. If you receive defective item, please kindly notify us within 14 days. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps".The seller is "outstandingdeal" and is located in this country: CN. This item can be shipped worldwide.