EL34 R8 Vacuum Tube Integrated Amplifier Stereo HiFi 2.0 Headphone Power Amp. Main features: - This is a Hi-end Tube Integrated Amplifier - External EL34/KT88 tube selection function - Triode and superlinear selection function - With Headphone Amplifier function - With pure power amp function, can the independent connect pre-amp signal input - With remote control - With three-ways input Parameters: - Rated output power: 25W + 25W (RMS triode working condition) & 45W + 45W (RMS Superlinear working condition) -- (KT88) 25W + 25W (RMS triode working condition) & 40W + 40W (RMS Superlinear working condition) -- (EL34) - Frequency Response: 10Hz 40kHz (+/- 0.5db) - Total harmonic distortion: 1% (1kHz) - SNR: 91dB - Input Sensitivity:380mv (integrated input);820mv (pure power amp input) - Input impedance: 100K - Output impedance: 4,8 - Power supply voltage: 230V ± 5% (50Hz)115V ± 5% (50Hz) - Whole volume: 400x250x410 (WxHxD) mm - Vacuum tubes: 6SL7x2,6SN7x3, KT88x 4 - Power consumption: 310W - Working conditions: Temperature: 0 40 Humidity: 20% to 80% - Storage conditions: Temperature: -20 70 Humidity: 20% to 90% - Net Weight: 26kg Package: - 1 x Tube amp - 1 x KT88/EL34 - 1 x 6SL7 - 1 x 6SN7 - 1 x Remote - 1 x Power cord. Usually it cost about 35USD-50USD.The item "EL34 R8 Vacuum Tube Integrated Amplifier Stereo HiFi 2.0 Headphone Power Amp" is in sale since Wednesday, December 6, 2017. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "thanksbuyer-hobby" and is located in HK. This item can be shipped worldwide.