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output power:8W×2 frequency response:20Hz–25KHz Total harmonic distortion(THD): < 1%(1kHz) Input sensitivity: 500mV--2000mV input impedance:100KΩ output impedance:4Ω,8Ω SNR:88dB size:370×250×200mm NW:16Kg appr Front tube: 6N8P ×2 back power tube:300B×2 rectifierSale...