boyuurange mt-34 mkii el34 tube hi-fi intergrated amplifier push-pull reisong <br>warm reminder: you may need to take about 30-100h time to operate the amp. run-in the amp to get the best and stable sound.so during the first 100h the sound maybe is not the best, you can also use your own run-in method. <br> <b>specification: </b> <br>input sensitivity: 550 mv <br>output power: 2 × 25w (ultra-linear connection) 2× 15w(triode) <br>signal to noise ratio: 88db <br>input impedance: 100kω <br>input jack: cd / aux / tape <br>output impedance: 4 ohm, 8 ohm <br>power consumption: 230w <br>frequency response: 30hz-45khz <br>vacuum tube: 5z4p x1, el34 x4, 6n1j x3 <br>volume: 375w x 290d x 180h mm <br>packing volume: 500x450x290hmm <br>weight: about 19 kg <br>gross weight: 21 kg <br>input power voltage: <br>this model is power supply voltage: ac 110v - 120v / 50hz-60hz (for united states) <br>package included: <br>boyuurange mt-34 mkii el34 vacuum tube intergrated amplifier:1 <br>power cable with plug of your national standard: 1 <br><b>all items guaranteed brand new in the original edition box.</b> <br> <br><b>one-year warranty ! </b>