HK 6550

HK 6550

Stereo Integrated Amplifier (50 watts x 2)

Sold from 1992 until 1993

Predecessor Product: HK 6500
Successor Product: HK 6350R
Made in: Japan

Product Specifications

Power Consumption
220 Watts
MSRP U.S.
$799.95 each
Weight
20.3lbs (9.2kg)
Dimensions (H x W x D)
5 1/4 inch x 17 1/2 inch x 14 3/16 inch (134 x 443 x 359 mm)
Filter
Subsonic Filter – 15Hz, 16dB/Octave
Loudness Control
Boost (at 50Hz)... +6dB, Phase Shift (400 – 20kHz) ... < 5 degrees
Continuous Average Power (FTC) per Channel
8 ohms – 50 Watts @ 0.09% THD (20 – 20kHz, both channels driven)
Continuous Average Power (FTC) per Channel
4 ohms – 70 Watts @ 0.3% THD (20 – 20kHz, both channels driven)
High Instantaneous Current Capability (HCC)
± 40 Amps
Power Bandwidth
At Half Rated Output, 8 ohms <10Hz – 100,000Hz
Frequency Response
At 1 Watt Output, (+0/-3dB) 0.5Hz – 200,000Hz
Damping Factor
65
Signal-to-Noise Ratio
Ref. Rated Power Output, A-Weighted
Signal-to-Noise Ratio
Phono(MM) – 80dB
Signal-to-Noise Ratio
Phono(MC) – 76dB
Signal-to-Noise Ratio
Tuner/CD – 98dB
Input Level/Impedance
Phono(MM) – 2.2mV/47k ohms, 125pF
Input Level/Impedance
Phono(MC) – 120uV/56 ohms
Input Level/Impedance
Tuner/CD – 135mV/22k ohms
Phono Overload
MM – 135mV
Phono Overload
MC – 7mV
Tone Controls
BASS – ± 10dB @ 50Hz
Tone Controls
TREBLE – ±10dB @ 10kHz

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