BMS 15S330

Subwoofer

Nominal diameter15″ / 388 mm
Resonance39 Hz
Q factor0.32
Sensitivity96.1 dB
Linear excursion± 8 mm
Program Power1200 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 96.1dB
  • Frequency response 35 - 2500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 39Hz
  • Mechanical quality factor QMS 6.60
  • Electrical quality factor QES 0.34
  • Total quality factor QTS 0.32

Large signal parameters

  • Maximum linear excursion xmax 8mm
  • Air volume displaced at xmax VD 704cm³
  • Power handling P 600W
  • Program power Pmax 1200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.0Ω
  • Inductance (1kHz) LE 0.72mH
  • VC Diameter 77mm
  • Winding height HVC 26mm
  • Winding material Copper

Magnet

  • Force factor Bl 23N/A
  • Motor constant Bl/√RE 9.39N/√W
  • Air gap height HAG 10mm
  • Material Ferrite

Diaphragm

  • Effective diameter 335mm
  • Effective area SD 880cm²
  • Moving mass MMS 121g
  • Moving mass (without air load) MMD 103g

Suspensions

  • Stiffness KMS 7.14N/mm
  • Compliance CMS 140µm/N
  • Equivalent volume to the compliance VAS 152L
  • Mechanical resistance RMS 4.49N·s/m

Dimensions

  • Nominal diameter 15
  • 388mm
  • Overall diameter 388mm
  • Baffle cutout diameter 358mm
  • Overall depth 195mm
  • Volume occupied by the driver (estimated) 5L
  • Net weight 9.6kg
  • Frame material Cast Aluminum
BMS 15S330 Impedance
BMS 15S330 SPL & Distortion
BMS 15S330 Dimensions

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