B&W DM 640

Data

General

• Manufacturer: B&W
• Model: DM 640
• Years of manufacture: 1991-1993
• Made in: England
• Colour: Black Ash, Walnut Vinyl
• Dimensions: 965 x 236 x 407 mm (H x W x D)
• Weight: 24 kg
• Original price approx.: 3200,- DM (pair)

Technical Data

• Type: 3-way bass reflex, floorstanding speaker
• Chassis:
  • woofer: 2x 200 mm

midrange driver: 1x 160 mm (Kevlar fabric cone)

• • tweeter: 1x 26 mm (dome tweeter)
• Power handling (nominal/music):
• Recommended amplifier power: 25 - 150 W
• Efficiency: 91 dB (2.83 V, 1 m)
• Frequency response: 46 - 20,000 (±2 dB)
• Transitional ranges: 300 / 3,000 Hz
• Impedance: 8 Ohm (minimum 4Ohm)

Special Features

Remarks

Other models of the same series:

• DM 600
• DM 610
• DM 620
• DM 630
• DM 640

Pictures