Musical Fidelity KW550 Specifications download pdf (Page 13)

KW550

AMPLIFIER SPECIFICATIONS

Issue 1: August 2006

Page 13

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)

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.

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