Bravo Audio V1 DIY EH6922 Vacuum Tube Headphone Amplifier / Power Amplifier
Input power: DC24V; Input sensitivity: 100mV; Input impedance: 100KOhm; Output impedance: 20~600 Ohm; Gain: 30dB; Frequency response: 10Hz-60KHz +/- 0.25dB; Signal/Noise ratio：>91dB; Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm); THD: 0.016%(300 ohm) 0.45%(33 ohm); IMD + Noise: 0.045(300 ohm)0.42(33ohm).