Musical Fidelity 550K Supercharger monoblock power amplifier Specifications

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).
Dimensions: 15.75" (404mm) H (including feet) by 8.4" (215mm) W by 8.6" (220mm) D (including terminals). Weight: 75.1 lbs (34.1kg).
Serial Numbers Of Units Reviewed: None found.
Price: $5000pair. Approximate number of dealers: 70. Warranty: 5 years parts & labor.
Manufacturer: Musical Fidelity Ltd., 24-26 Fulton Road, Wembley, Middlesex HA9 0TF, England, UK. Tel: (44) (0)181-900-2866. Fax: (44) (0)181-900-2983. Web: US distributor: Signal Path International, 2045 120th Avenue NE, Bellevue, WA 98005. Tel: (704) 391-9337. Fax: (704) 391-9338. Web:

Musical Fidelity Ltd.
US distributor: Signal Path International
2045 120th Avenue NE
Bellevue, WA 98005
(704) 391-9337