Customer Service: 01308 898 763
  • Features:
    Exceptional choice for bass systems where a fast, punchy sound is required, which needs to be backed with great depth. You can use the B250.2 singly or in multiples to provide this sound.
  • Benefits:
    The B250.2 features a symmetrical field magnet and long, 4-layer voice coil for large linear excursion capability coupled with good control. It also features double rear suspensions with characteristics matched to the motor assembly for stability and linearity at high drive levels. The Thiele-Small parameters are optimised for bass extension.
Specifications
  • Model Number: B250.2
  • Nominal Diameter (mm): 250
  • Power Capacity (Watt AES): 150
  • Sensitivity (dB/watt/m): 93
  • Frequency Range (Hz): 30-1000
  • Impedance (Ohms): 8, 16 or 24
  • BL Factor: 14.3
  • 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): 0.044
  • Compliance (M/N): 0.00023
  • Volume Displaced (litres): 1.1
  • Connection: 5mm solder terminals
  • Chassis: Diecast Aluminum
Mounting Information
Parameter Measure Unit
Overall Diameter 285 mm
Mounting Bolt Circle Diameter 268 mm
Number and Size of Bolts 4 M5
Baffle Cutout Diameter 253 mm front mount
Baffle Cutout Diameter 245 mm rear mount
Depth 109.5 mm below front flange
Depth 119 mm total depth
Weight 4.9 Kg

B250.2_Line

Response Curve

B250.2_Resp

Thiele-Small Parameters
Parameter Measure Unit
Fs 50 Hz
Re 5.25 Ohms
Qa 2.46
Qe 0.36
Qt 0.32
Vas 33 litres
Xmax ±6 mm
Sd 324 cm²
Vd 194 cm³
Le 1.5 mH
Suggested Enclosures
Volume(litres) Vent Diameters(cm) Vent Length(cm) System Q -3db freq(Hz)
15 5 7.25 10 70
25 5 4.2 10 55
35 7.5 12 10 50
Factsheet PDF

pdf

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