Acoustic Elegance TD15S-8

Subwoofer

Nominal diameter15″ / 381 mm
Resonance22.8 Hz
Q factor0.37
Sensitivity94 dB
Linear excursion± 14 mm
Program Power1000 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 94dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 22.8Hz
  • Mechanical quality factor QMS 3.87
  • Electrical quality factor QES 0.41
  • Total quality factor QTS 0.37

Large signal parameters

  • Maximum linear excursion xmax 14mm
  • Maximum excursion before damage xlim 20mm
  • Air volume displaced at xmax VD 1197cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.3Ω
  • Inductance (1kHz) LE 0.3mH

Magnet

  • Force factor Bl 14.1N/A
  • Motor constant Bl/√RE 6.12N/√W

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass MMS 108g
  • Moving mass (without air load) MMD 90.9g

Suspensions

  • Stiffness KMS 2.22N/mm
  • Compliance CMS 450µm/N
  • Equivalent volume to the compliance VAS 467L
  • Mechanical resistance RMS 4N·s/m

Dimensions

  • Nominal diameter 15
  • 381mm
  • Volume occupied by the driver (estimated) 4.3L


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