Musical Fidelity kW Hybrid line preamplifier & kW750 power amplifier Specifications
kW Hybrid Line Preamplifier: Two-channel, tube-transistor preamplifier. Frequency response: 20Hz–30kHz, ±0.5dB. Maximum output voltage: >62V RMS. Maximum instantaneous output current: 4.5A peak–peak. Output impedance: <0.5 ohm. Line inputs: Input impedance: 500k ohms. Maximum voltage gain: 12.5dB. THD+noise: <0.0068% (5V output, maximum volume). Signal/noise: >105dB ref. 1V output at half volume, A-weighted. Input sensitivity for 1V RMS output: 240mV. Overload margin: 40dB. Channel separation: >84dB, 20Hz–20kHz, maximum volume. Channel-balance error: <0.5dB typical, 1.5dB worst case (with volume control at 8 o'clock).
Dimensions: 19" (483mm) W by 6.6" (167mm) H by 17.7" (450mm) D. Weight: 45.3 lbs (20.5kg) net, 56.2 lbs (25.5kg) shipping.
Serial Number Of Unit Reviewed: LPR064.
kW750 Power Amplifier: Two-channel, solid-state power amplifier with outboard power supply. Maximum power output: 750Wpc into 8 ohms (28.75dBW), 1.1kWpc into 4 ohms. THD+noise: <0.004%, 20Hz–20kHz. Maximum output voltage: 77.5V, 20Hz–20kHz; 219V peak. Peak output current: 250 amperes. Damping factor: 204. Frequency response: 20Hz–20kHz, +0/–0.2dB. Input impedance: 100k ohms. Input sensitivity for full power out into 8 ohms: 2.4V. Signal/noise: >124dB (A-weighted).
Dimensions: Amplifier: 19" (483mm) W by 21.8" (167mm) H by 15.75" (553mm) D. Weight: 75.1 lbs (34.1kg) net, 100 lbs (45.2kg) shipping. Power supply: 14.4" (364mm) W by 6.6" (167mm) H by 11" (278mm) D. Weight: 40.6 lbs (18.4kg) net, 47.2 lbs (21.4kg) shipping.
Serial Number of Unit Reviewed: K750066.
Both: Approximate number of dealers: 70. Warranty: 5 years parts & labor.
Manufacturer: Musical Fidelity Ltd., 15-17 Fulton Road, Wembley, Middlesex HA9 0TF, England, UK. Tel: (44) (0)181-900-2866. Web: www.musical-fidelity.co.uk. US distributor: Signal Path Imports, 215 Lawton Road, Charlotte, NC 28216. Tel: (704) 391-9337. Fax: (704) 391-9338. Web: www.signalpathint.com.