SoundStream Tarantula T5.154

2x2Ω
2x4Ω

Subwoofer

Nominal diameter15″ / 381 mm
Resonance32.6 Hz
Q factor0.68
Sensitivity86.1 dB
Linear excursion± 16.5 mm
Program power2600 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 86.1dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 32.6Hz
  • Mechanical quality factor QMS 6.46
  • Electrical quality factor QES 0.76
  • Total quality factor QTS 0.68

Large signal parameters

  • Maximum linear excursion (one way) xmax 16.5mm
  • Maximum excursion before damage xlim 53.5mm
  • Air volume displaced at xmax VD 1339cm³
  • Power handling P 1300W
  • Program power Pmax 2600W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.2Ω
  • Inductance (1kHz, in series, estimated) LE 8.74mH
  • VC Diameter 76.2mm

Magnet

  • Force factor (in series) Bl 25.4N/A
  • Motor constant Bl/√RE 9.48N/√W
  • Diameter 200mm
  • Height 95mm

Diaphragm

  • Effective diameter 321mm
  • Effective area SD 812cm²
  • Moving mass (including air load) MMS 409g
  • Moving mass MMD 392g
  • Material Spruce Pulp

Suspensions

  • Stiffness KMS 14.3N/mm
  • Compliance CMS 70µm/N
  • Equivalent volume to the compliance VAS 65.4L
  • Mechanical resistance RMS 13N·s/m
  • Surround material Polyether Foam
  • Spider material Poly-Cotton

Dimensions

  • Nominal diameter 15
  • 381mm
  • Overall diameter 394mm
  • Baffle cutout diameter 359mm
  • Overall depth 229mm
  • Volume occupied by the driver (estimated) 6.2L
  • Frame material Die-Cast Aluminium

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