B&C 10MD26 Drive Unit

• 700 W continuous program power capacity
• 76 mm (3 in) aluminium voice coil
• 80 – 4000 Hz response
• 100 dB sensitivity

Specifications

• Nominal Diameter
  250 mm (10 in)
• Nominal Impedance
  8 ohm
• Minimum Impedance
  7.2 ohm
• Nominal Power Handling (AES)
  350 W
• Continuous Power Handling
  700 W
• Sensitivity (1W/1m)
  100 dB
• Frequency Range
  80 - 4000 Hz
• Voice Coil Diameter
  76 mm (3 in)
• Winding Material
  Aluminium
• Former Material
  Glass Fibre
• Magnet Material
  Ceramic Ring
• Winding Depth
  11 mm (0.43 in)
• Magnetic Gap Depth
  8 mm (0.31 in)
• Flux Density
  1.45 T

Parameters

• Fs
  76 Hz
• Re
  5.8 ohm
• Qes
  0.22
• Qms
  4.8
• Qts
  0.21
• Vas
  20 dm³ (0.71 ft³)
• Sd
  320 cm² (49.10 in²)
• η₀
  3.9 %
• Xmax
  ± 1.5 mm
• Xvar
  ± 4.5 mm
• Mms
  31 g
• Bl
  19.6 Txm
• Le
  1.2 mH

Mounting and Shipping info

• Overall Diameter
  262 mm (10.3 in)
• Bolt Circle Diameter
  245 mm (9.6 in)
• Baffle Cutout Diameter
  230 mm (8.8 in)
• Depth
  124 mm (4.9 in)
• Flange and Gasket Thickness
  14 mm (0.55 in)
• Net Weight
  7.3 kg (16.1 lb)
• Shipping Weight
  7.9 kg (7.4 lb)
• Shipping Box
  320x320x160 mm (12x12x6.3 in)

Design

• Surround Shape
  Double Roll
• Cone Shape
  Exponential
• Magnet Type
  Ceramic Ring
• Spider
  Single
• Pole Design
  T-Pole