EUPHORIA BLACKOUT EWXB15D2

2x2Ω
2x4Ω

Subwoofer

Nominal diameter15″ / 395 mm
Resonance31.8 Hz
Q factor0.77
Sensitivity87.5 dB
Linear excursion± 17.8 mm
Program Power2500 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 87.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.8Hz
  • Mechanical quality factor QMS 6.83
  • Electrical quality factor QES 0.86
  • Total quality factor QTS 0.77

Large signal parameters

  • Maximum linear excursion (one way) xmax 17.8mm
  • Air volume displaced at xmax VD 1485cm³
  • Power handling P 1000W
  • Program power Pmax 2500W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.6Ω
  • Inductance (1kHz, in series, estimated) LE 3.75mH
  • VC Diameter 76.2mm

Magnet

  • Force factor (in series) Bl 16.4N/A
  • Motor constant Bl/√RE 8.65N/√W

Diaphragm

  • Effective diameter 326mm
  • Effective area SD 835cm²
  • Moving mass MMS 324g
  • Moving mass (without air load) MMD 307g

Suspensions

  • Stiffness KMS 12.9N/mm
  • Compliance CMS 77.5µm/N
  • Equivalent volume to the compliance VAS 76.7L
  • Mechanical resistance RMS 9.47N·s/m

Dimensions

  • Nominal diameter 15
  • 395mm
  • Overall diameter 395mm
  • Baffle cutout diameter 357mm
  • Mounting depth 188mm
  • Volume occupied by the driver (estimated) 4.7L
EUPHORIA EWXB15D2 Dimensions

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