Musical Fidelity KW550 - Manual (Page 13)

KW550 AMPLIFIER SPECIFICATIONS
Issue 1: August 2006 Page 13 of 14
Output: Voltage, RMS 70 Volts 20Hz to 20 kHz
Voltage, Peak-to-peak 201 Volts
Power 630 Watts per channel into 8 Ohms (28dBW),
910 Watts per channel into 4 Ohms
Current peak-to-peak 200 Amps
Damping factor 200
Output devices per channel 12
Pre-out impedance 50 Ohms
Line inputs:
Harmonic distortion at 1 kHz 0.005%
THD + noise, 20Hz to 20 kHz < 0.01% typical
Signal / noise ratio > 99dB ‘A’-weighted
Input sensitivity for 630 Watts 450mV
Input impedance 220k Ohms
Overload margin 37dB
Channel separation > 75dB typical
Frequency response 20Hz to 20 kHz, +0, -0.2dB
20Hz to 60kHz +0, -1.4 dB
Phono input:
RIAA/IEC combined response
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
20.0 31.5 50.0 80.0 125 200 315 500 1000 1600 2500 4000 6300 10000 16000
RIAA
PHONO
RIAA/IEC
PHONO RESPONSE
Frequency (Hz)
dB
Signal / noise ratio > 96dB ‘A’-weighted
Input sensitivity 3.0mV (MM)
0.4mV (MC)
Input impedance 47k Ohms (MM and MC)
Overload margin 24dB (MM and MC)
Connections:
Line level inputs: 5 pairs line level RCA connectors,
1 front panel 3.5mm jack socket (sharing AUX 1 input)
1 pair phono (MM/MC) RCA connectors,
Line level outputs: 1 pair RCA [preamp] controlled by the volume,
1 pair RCA [tape record] fixed line level output.
Speaker outputs: 2 pairs 4mm banana plug/binding posts per channel.
Power requirement: 100 / 115 / 230Volts AC 50 / 60Hz (factory pre-set),
1950 Watts maximum into 8 Ohms, 120 Watts idle
Standard accessories:
IEC type mains lead (16-Amp type),
Power supply lead, main (two) 0.7M long, + (two) 1.2M long
Power supply lead, for pre-amplifier (one) 0.7M long + (one) 1.2M long
Remote control (KW, universal type),
2 batteries size LR03 or AAA, manganese alkaline type
Main
unit Power supply
Dimensions:
485 mm, 19.1 inches wide 365mm, 14.4 inches wide
170 mm, 6.7 inches high inc. feet 170mm, 6.7 inches inc. feet
470 mm, 18.5 inches deep inc. terminals 440mm, 18.5 inches inc. terminals
Weight
23 kg, 51lbs unboxed 32kg, 70lbs unboxed
28kg, 62lbs in shipping carton 35kg, 77lbs in shipping carton
Musical Fidelity reserves the right to make improvements which may
result in specification or feature changes without notice.