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Musical Fidelity 550K Supercharger monoblock power amplifier:
Sidebar 2: Specifications
Description: Solid-state, monoblock power amplifier with line- and speaker-level inputs. Maximum power output: 550W into 8 ohms (27dBW), 750W into 4 ohms (25.75dBW). Maximum output voltage: 66V RMS, 20Hz–20kHz; 186V peak–peak. Maximum current: 250 amps peak–peak. Frequency response: 20Hz–30kHz, +0/–0.2dB. THD+noise: <0.016%, 20Hz–20kHz. Damping factor: 220. Input impedance: 50k ohms (line), 50 ohms (speaker). Input sensitivity for full power out into 8 ohms (line): 2.23V, speaker 33V. Signal/noise (no reference level quoted): >120dB (line input), >115dB (speaker input).
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