Boyuu's Yulu M2 single-ended EL34 Tube Integrated Desktop Amplifier. Output power: 8Wx2 (ultra linear connection). Signal to Noise Ratio: 85dB. Product size: 260 x 230 x 175 mm. Pre-amplifier tube: SHUGUANG Chinese 6N1 x 2.Power tube: PSVANE or Shuguang EL34-B. Rectifier: 5Z2P(Equivalant 5Y3 or 5z4p). Power Transformer use 0.35mm steel. Output transformer use 0.35mm steel. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "aoshida-hifi-us" and is located in this country: CN. This item can be shipped worldwide.