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Specifications
HK650 HK690
NOMINAL NOMINAL
Continuous Average Power Per Channel (FTC) 8 Ohms: 60 Watts@<0.09%THD 100 Watts@<0.09%THD
20Hz – 20 kHz, both channels driven 4 Ohms: 90 Watts@<0.3%THD 150 Watts@<0.3%THD
Dynamic Power (IHF, 1kHz Tone Burst) 8 Ohms: 85 Watts 135 Watts
4 Ohms: 140 Watts 200 Watts
2 Ohms: 180 Watts 240 Watts
High instantaneous current capability (HCC) ±50 Amps ± 75 Amps
Power Bandwidth @ Half-Rated output, 8Ω <10Hz - 100kHz <10Hz - 100kHz
Frequency response @ 1W (+0/-3dB) 0.5Hz - 100kHz 5Hz - 100kHz
Damping factor 120 120
Signal-to-noise Ratio (Reference rated power output, A-WTD) Tuner/CD 90 dB 90 dB
Phono (MM): 80 dB 80 dB
(MC): 75 dB
Input sensitivity/Impedance Tuner/CD 150mV/43kΩ 150mV/43kΩ
Phono (MM): 2.5mV/47kΩ, 125pF 2.5mV/47kΩ, 125pF
(MC): 0.25mV/100kΩ, 125pF
Phono-Overload: Phono (MM): 100 mV 100 mV
(MC): 5 mV
Tone control range, Bass @ 50 Hz/Treble @ 10kHz ±10 dB/±10 dB ±10 dB/±10 dB
Power supply: AC 230V, 50/60 Hz AC 230V, 50/60 Hz
Power consumption: 345 W 510 W
Dimensions (Width × Height × Depth): 443 × 110 × 405 mm 443 × 155 × 405 mm
Weight: 10.35 kg 11.95 kg
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