MB Quart Referenz specifications

Category : Active speakers

General

Tech nical data

Special equipment

• Manufacturer: MB Quart
• Model: Reference MK I / MK II
• Years of manufacture: 1985-1988
• Manufactured in: Obrigheim / Germany
• Colors: black, white, mahogany veneer natural
• Dimensions: 1870 x 530 x 530 (MK I?)/ 1880 x 530 x 570 (MK II?) mm (HxWxD), gross volume 525 liters
• Weight: approx. 147 kg
• New price approx.: 20,000.00 DM (1985) - 29,000.00 DM (1987)

• Type of construction: 4-way stand-top speaker, Active, closed
• Chassis:
  • Woofer: 1x 380 mm (MBT 380 cone, net volume 328 liters)
  • Woofer: 1x 205 mm (MBT 205 cone, net volume 24 liters)
  • Midrange driver: 1x 50 mm (MCD 51 dome)
  • Tweeter: 1x 25 mm (MCD 26 titanium dome)
• Frequency response: 16 - 32,000 Hz
• Transition ranges: 220 / 900 / 4.500 Hz Linkwitz filter 24 dB/octave
• Impedance: 4 ohms

• Woofer: 1x 380 mm (MBT 380 cone, net volume 328 liters)
• Woofer: 1x 205 mm (MBT 205 cone, net volume 24 liters)
• Midrange: 1x 50 mm (MCD 51 Dome)
• Tweeter: 1x 25 mm (MCD 26 titanium dome)

• Total power: 150 / 150 / 70 / 70 W (TT / TMT / MT / HT)

• Amplifier: 420 W Total power, 2x 140 watt bipolar bass amplifier, 2x 47,000 µF/power supply
• Input sensitivity: 1 mV / 10 kOhm
• Total harmonic distortion: TTL/MTL: 0.003 %; MTL/MTL: 0,03 %
• External voltage range: 103 dB (bass), 99 dB (MT,HT)

• Reference:

• MK II uses entire volume for the bass, revised electronics
• A power supply for TT/TMT, a power supply for MT/HT

• HIFI VISION 8/85 price-related ratings

• HIFI VISION 12/86 Price-related ratings

Comment:

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