Harman/kardon HK 640

Data

General

• Manufacturer: harman/kardon
• Model: HK 640
• Years of manufacture: approximately from 1995, until 1998.
• Made in: Japan.
• Color: black
• Type: Analog
• Remote control: x;
• Power consumption: 230 W;
• Dimensions (WxHxD): 443 x 134 x 359 mm,
• Weight: 8.8 kg;
• Original price: 1000 DM.

Connections

• Number of inputs:
  • list the inputs here (with sensitivity/impedance).

Number of outputs:

• • list the outputs here (with level/impedance).

Technical Data

• Continuous power (with distortion factor)

8 Ohm (1 kHz): nominal 63 W, min. 55 W (stereo, 0.1%)

• • 4 Ohm (1 kHz): nominal 91 W, min. 75 W (stereo, 0.3%)
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: see continuous power;
• HCC: nominal 40 A, min. 35 A
• Attenuation factor: 85 (1 kHz);
• Frequency response: min. 1 Hz ... >90 kHz (-3 dB)
• Signal-to-noise ratio: (line) nominal 84 dB, min. 74 dB;
• Stereo channel separation: (10 kHz) nominal 60 dB, min. 45 dB;
• Tone control:
  • Bass: x

Treble: x

• Loudness:
• High Filter:
• Low Filter (Subsonic):
• Mute:
• Direct/Line-Straight:

Special Features

• here, if available

Remarks

Other models in the same series:

• HK 620
• HK 660
• HK 680

Reports

• Audio 2/95: Upper class 3 ears.