Frequency Response: 13Hz to 120KHz SNR: more than or equal to 96dB Input Impedance: 100K ohm Output Impedance: 3K ohm THD: 0.1% Power Consumption: 80W Vacuum Tube: 2 x 12AU7, 2 x 2A3, 2 x 5Z4 Dimension: 340 x 340 x 210 mm Weight: 18.00kgs