MUZISHARE R90 electronic tube pre-power amplifier
Main amplifier circuit specifications PHONO specifications Gain: 16dB, MM: 50dB, MC: 72dB Harmonic distortion: 1% (1kHz) 0.08% (1kHz) Frequency response: 15Hz to 30kHz (-1.5dB) RIAA bandwidth: 0.25dB from 20Hz to 20KHz Input sensitivity: 180mV MM: 6mV MC HIGH:0.3mV mc low: 0.5mV Input impedance: 100KΩ MC: approximately 100Ω MM: approximately 50KΩ Output impedance: 5KΩ Signal-to-Noise Ratio: 95dB MC: 78dB MM: 85dB Left and right output balance: <0.5db Power consumption: 65W Size: 430mm*393mm*125mm Net weight: 13KG Vacuum tubes used: 12AX7×2, 6KE8×6, 12DT5×1, 17BE3×1 Power supply voltage: ~115/230V±5% (50Hz)
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