B&C Speaker 15DS115

Subwoofer

Nominal diameter15″ / 380 mm
Resonance33 Hz
Q factor0.17
Sensitivity94.2 dB
Linear excursion± 16.5 mm
Program Power3200 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 94.2dB
  • Frequency response 35 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 33Hz
  • Mechanical quality factor QMS 5.20
  • Electrical quality factor QES 0.18
  • Total quality factor QTS 0.17

Large signal parameters

  • Maximum linear excursion xmax 16.5mm
  • Air volume displaced at xmax VD 1411cm³
  • Power handling P 1600W
  • Program power Pmax 3200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 4.9Ω
  • Inductance (1kHz) LE 4.5mH
  • VC Diameter 116mm
  • Winding height HVC 40mm
  • Winding material Aluminium
  • Former material Glass Fibre

Magnet

  • Flux density B 0.8T
  • Force factor Bl 38.7N/A
  • Motor constant Bl/√RE 17.5N/√W
  • Air gap height HAG 14mm
  • Material Neodymium Inside Slug

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass MMS 254g
  • Moving mass (without air load) MMD 236g
  • Material Waterproof Both Sides

Suspensions

  • Stiffness KMS 11.4N/mm
  • Compliance CMS 88µm/N
  • Equivalent volume to the compliance VAS 94L
  • Mechanical resistance RMS 10.1N·s/m
  • Spider material Silicone

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 393mm
  • Baffle cutout diameter 354mm
  • Overall depth 199mm
  • Flange thickness 15mm
  • Mounting depth 184mm
  • Volume occupied by the driver 7L
  • Net weight 11.7kg
B&C Speaker 15DS115 Impedance
B&C Speaker 15DS115 SPL
B&C Speaker 15DS115 Dimensions

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