MB Quart 390 specifications

Category : Speakers

General

Tech nical data

Special equipment

Other models of the same series:

1e version 2e version

3e version

• Manufacturer: MB Quart
• Model: Quart 390
• Years of construction: 1st version 1984 - 1986, 2nd version 1986, 3rd version 1986-1990.
• Manufactured in: Germany
• Colors: Sanding varnish black, sanding varnish white, walnut, natural oak, 2nd version for an extra charge Rosewood, cherry, pine, wenge, mahogany, raw oak
• Dimensions: 1st &2nd version: 310 x 505 x 279 mm, gross/ net volume: 39 / 23 liters; 3rd version: 310 x 520 x 300 mm (W x H x D)
• Weight: 13 kg
• Original price approx.: 1400,- DM (RRP pair)

• Type of construction: 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-Titankalotte 4 643961b8da111c0a15d770a1109a86d4 (95-6411)
  • Tweeter 3rd Version: 1x 25 mm MCD 26-Titankalotte 4 ohm (95-6549)
• Load capacity (nominal/music B.): 120 / 150 Watts
• Efficiency: 90 dB, a956e985535b8d57732d14dfa0e4c71ating power: 5 watts (according to the brochure, probably for 90 dB/3m)
• Frequency response: 35 - 32,000 Hz
• Transition ranges: 1st & 2nd version: 800 / 3,500 Hz, 12 dB; 3rd version: 400 / 1,800 Hz
• Impedance: 4 643961b8da111c0a15d770a1109a86d4

• 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 1. & 2. Version: 1x 25 mm MCD 25-titanium dome 4 ohm (95-6411)
• Tweeter 3. Version: 1x 25 mm MCD 26-titanium dome 4 ohm (95-6549)

• At the 2. and 3rd version, the midrange and tweeter and their position were changed to achieve a less dominant tweeter reproduction.

• The following was true for all versions: if made in real wood, there was always a sticker on the back wall that spoke of real wood and of discolorations due to the influence of light, etc.

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• Quart 3200 S

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