KW550 | AMPLIFIER SPECIFICATIONS |
Output: | Voltage, RMS | 70 Volts 20Hz to 20 kHz | |
| Voltage, | 201 | Volts |
| Power | 630 | Watts per channel into 8 Ohms (28dBW), |
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| 910 | Watts per channel into 4 Ohms |
| Current | 200 | Amps |
| Damping factor | 200 |
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| Output devices per channel | 12 |
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| 50 Ohms | ||
Line inputs: | Harmonic distortion at 1 kHz | 0.005% | |
| THD + noise, 20Hz to 20 kHz | < 0.01% typical | |
| Signal / noise ratio | > 99dB | |
| Input sensitivity for 630 Watts | 450mV | |
| Input impedance | 220k Ohms | |
| Overload margin | 37dB | |
| Channel separation | > 75dB typical | |
| Frequency response | 20Hz to 20 kHz, +0, | |
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| 20Hz to 60kHz +0, | |
Phono input: | RIAA/IEC combined response |
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| 20.0 |
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| 15.0 |
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| 10.0 |
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| PHONO RESPONSE | ||||
| 5.0 |
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dB | 0.0 |
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| RIAA |
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| PHONO |
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| RIAA/IEC |
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| 20.0 | 31.5 | 50.0 | 80.0 | 125 | 200 | 315 | 500 | 1000 | 1600 | 2500 | 4000 | 6300 | 10000 16000 |
Frequency (Hz)
| Signal / noise ratio | > 96dB | ||
| Input sensitivity | 3.0mV (MM) | ||
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| 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, | ||
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| 1 front panel 3.5mm jack socket (sharing AUX 1 input) | |
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| 1 pair phono (MM/MC) RCA connectors, | |
| Line level outputs: | 1 pair RCA [preamp] controlled by the volume, | ||
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| 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 | ||
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| 1950 Watts maximum into 8 Ohms, 120 Watts idle | |
Standard accessories: |
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| IEC type mains lead | |
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| Power supply lead, main (two) 0.7M long, + (two) 1.2M long | |
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| Power supply lead, for | |
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| Remote control (KW, universal type), | |
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| 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.
Issue 1: August 2006 | Page 13 of 14 |
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