MD Lab SW-B10F

Subwoofer

Nominal diameter10″ / 256 mm
Resonance52.1 Hz
Q factor0.98
Sensitivity85.5 dB
Program Power750 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 85.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 52.1Hz
  • Mechanical quality factor QMS 5.33
  • Electrical quality factor QES 1.19
  • Total quality factor QTS 0.98

Large signal parameters

  • Power handling P 250W
  • Program power Pmax 750W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.8Ω
  • Inductance (1kHz, estimated) LE 2.06mH

Magnet

  • Force factor Bl 11.3N/A
  • Motor constant Bl/√RE 5.8N/√W

Diaphragm

  • Effective diameter 217mm
  • Effective area SD 368cm²
  • Moving mass MMS 122g
  • Moving mass (without air load) MMD 117g

Suspensions

  • Stiffness KMS 12.5N/mm
  • Compliance CMS 80µm/N
  • Equivalent volume to the compliance VAS 15.4L
  • Mechanical resistance RMS 7.5N·s/m

Dimensions

  • Nominal diameter 10
  • 256mm
  • Overall diameter 256mm
  • Baffle cutout diameter 230mm
  • Overall depth 156mm
  • Flange thickness 15mm
  • Mounting depth 141mm
  • Volume occupied by the driver (estimated) 2.1L

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