MB Quart 390

Data

General

• Manufacturer: MB Quart
• Model: Quart 390
• Years of manufacture: 1st version 1984 - 1986, 2nd version 1986, 3rd version 1986-1990.
• Manufactured in: Germany
• Colours: Sanding varnish black, sanding varnish white, walnut, oak nature, 2nd version against surcharge rosewood, cherry, pine, wenge, mahogany, oak untreated
• Dimensions: 1st & 2nd version: 310 x 505 x 279 mm, gross / net volume: 39 / 23 litres; 3rd version: 310 x 520 x 300 mm (W x H x D)
• Weight: 13 kg
• Original price approx.: 1400,- DM (RRP pair)

Technical data

• Type: 3-way closed, compact speaker
• Chassis:
  • woofer 1st & 2nd version: 1x 245 mm 4 Ohm (95-)
  • woofer 3rd version: 1x 245 mm 4 Ohm (95-6509)
  • midrange driver 1st & 2nd version: 1x 100 mm 4 Ohm (95- )
  • midrange driver 3rd version: 1x 100 mm 4 Ohm (95-6548)
  • tweeter 1st & 2nd version: 1x 25 mm MCD 25 titanium dome 4 Ohm (95-6411)
  • 3rd version tweeter: 1x 25 mm MCD 26 titanium dome tweeter 4 Ohm (95-6549)

power handling (nominal/music): 120 / 150 Watt efficiency: 90 dB, power handling: 5 Watt (according to brochure, probably for 90 dB/3m)

• Frequency response: 35 - 32,000 Hz
• Crossover: 1st & 2nd version: 800 / 3,500 Hz, 12 dB; 3rd version: 400 / 1,800 Hz
• Impedance: 4 Ohm

Special Features

• In the 2nd and 3rd version, the midrange and tweeter as well as their position have been changed in order to achieve a
  

 less dominant high-frequency reproduction to achieve.

• For all versions it was true: If made in real wood, there was always a sticker on the back panel that spoke of real wood and of

 and spoke of coloration due to the influence of light, etc.

Remarks

Other models of the same series:

• Quart 220
• Quart 280
• Quart 390
• Quart 480
• Quart 560 A
• Quart 610 S
• Quart 720
• Quart 980 S
• Quart 985 S Active
• Quart 2200 S
• Quart 3200 S

Pictures

1e version 2e version

3e version