Customer Service: 01308 898 763
  • Features:
    The B220.2 has been optimised for bass performance in compact studio monitoring systems.
  • Benefits:
    The B220.2 uses a symmetrical field magnet system with a long coil for large linear excursion capability. Double rear suspensions guarantee transient stability at high drive levels. The cone is doped for minimal colouration. The Thiele-Small parameters are optimised for easy use in relatively small enclosures to give extended bass performance.
Specifications
  • Model Number: B220.2
  • Nominal Diameter (mm): 220
  • Power Capacity (Watt AES): 150
  • Sensitivity (dB/watt/m): 90
  • Frequency Range (Hz): 25-1000
  • Impedance (Ohms): 8 or 16
  • BL Factor: 11.8
  • Voice Coil Diameter (mm): 38
  • Voice Coil Material: Copper
  • Maximum Excursion (mm): 25 (before damage)
  • Magnet Assembly Weight (Kg): 3.6
  • Effective Moving Mass (Kg): 0.033
  • Compliance (M/N): 0.00077
  • Volume Displaced (litres): 0.8
  • Connection: 5mm solder terminals
  • Chassis: Diecast Aluminium
Mounting Information
Parameter Measure Unit
Overall Diameter 235 mm
Mounting Bolt Circle Diameter 218 mm
Number and Size of Bolts 4 M5
Baffle Cutout Diameter 192 mm front mount
Baffle Cutout Diameter 200 mm rear mount
Depth 96.5 mm below front flange
Depth 106 mm total depth
Weight 4.1 Kg

B220.2_line

Response Curve

B220.2_Resp

Thiele-Small Parameters
Parameter Measure Unit
Fs 32 Hz
Re 6.0 Ohms
Qa 1.92
Qe 0.28
Qt 0.25
Vas 49 litres
Xmax ±5.25 mm
Sd 214 cm²
Vd 112 cm³
Le 1 mH
Suggested Enclosures
Volume(litres) Vent Diameters(cm) Vent Length(cm) System Q -3db freq(Hz)
15 5 12 7 55
35 5 6 5 45
60 5 4 5 35

Factsheet PDF

pdf

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