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  • Features:
    The BM2500.5 is a high power bass-midrange unit designed for use in very compact satellite systems or stage monitors.
  • Benefits:
    The BM2500.5 has a smooth response with very low levels of colouration and complete freedom from cone breakup modes at high levels, The magnet is massive and rear vented. The response is tailored for use in two way systems optimised for use with a subwoofer or in low profile wedge monitors.
Specifications
  • Model Number: BM2500.5
  • Nominal Diameter (mm): 250
  • Power Capacity (Watt AES): 250
  • Sensitivity (dB/watt/m): 96
  • Frequency Range (Hz): 45-2500
  • Impedance (Ohms): 8 or 16
  • BL Factor: 15
  • Voice Coil Diameter (mm): 75
  • Voice Coil Material: Copper
  • Maximum Excursion (mm): 20 (before damage)
  • Magnet Assembly Weight (Kg): 8.1
  • Effective Moving Mass (Kg): 0.034
  • Compliance (M/N): 0.00027
  • Volume Displaced (litres): 2
  • Connection: Metal Push 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 111.5 mm below front flange
Depth 121 mm total depth
Weight 8.65 Kg

BM2500.5_Line

Response Curve

BM2500.5_Resp

Thiele-Small Parameters
Parameter Measure Unit
Fs 52 Hz
Re 5.2 Ohms
Qa 6.55
Qe 0.26
Qt 0.25
Vas 43 litres
Xmax ±4 mm
Sd 336 cm²
Vd 134 cm³
Le 0.5 mH
Suggested Enclosures
Volume(litres) Vent Diameters(cm) Vent Length(cm) System Q -3db freq(Hz)
12 7.5 10 7 90
20 7.5 8 7 75
30 7.5 7 7 60
Factsheet PDF

pdf

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