The MB5 B is a unique slim floor stander with four 5,25” carbon-coned drivers and a sealed ribbon tweeter. The MB5 works as a 2,5-way speaker design, where two 5,25” carbon coned midrange-woofers are supported by two additional Carbon coned drivers for additional base performance. The two carbon midrange-woofers are run in series for an increased and dynamic power handling. The MB5 cabinet is heavy braced, curved and with solid carbon reinforcements. The speaker is crossed over at 2600 Hz, and the MB5 B carries the base right down to the deepest notes and does that with an effortless drive that will leave amazed. Fabric grillfronts can be supplied as an additional accessory. Specification Details Size (B x H x D) 178 × 1185 × 319 mm Weight 25 kg per unit Frequency Response 29 Hz – 40 KHz Impedance > 4 ohm Sensitivity 90 dB Crossover 250 Hz + 2600 Hz / Minimum phase Enclosure Curved, heavily braced, ventilated box design with adjustable aluminium feet Drive Units 1 × Ribbon tweeter · 1 × 5.25″ Midrange · 3 × 5.25″ Woofers Finish Options Black-silk, White-silk, or Walnut Amplification Recommended high quality amplifiers > 50 W