SoundStream Tarantula T5.124

2x4Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance35.8 Hz
Q factor0.67
Sensitivity84 dB
Linear excursion± 16.5 mm
Program power2000 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 84dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 35.8Hz
  • Mechanical quality factor QMS 6.56
  • Electrical quality factor QES 0.75
  • Total quality factor QTS 0.67

Large signal parameters

  • Maximum linear excursion (one way) xmax 16.5mm
  • Maximum excursion before damage xlim 18.8mm
  • Air volume displaced at xmax VD 824cm³
  • Power handling P 1000W
  • Program power Pmax 2000W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.2Ω
  • Inductance (1kHz, in series, estimated) LE 7.65mH
  • VC Diameter 76.2mm

Magnet

  • Force factor (in series) Bl 26.7N/A
  • Motor constant Bl/√RE 9.95N/√W
  • Air gap height HAG 12mm
  • Diameter 200mm

Diaphragm

  • Effective diameter 252mm
  • Effective area SD 500cm²
  • Moving mass (including air load) MMS 334g
  • Moving mass MMD 326g
  • Material Spruce pulp

Suspensions

  • Stiffness KMS 16.7N/mm
  • Compliance CMS 60µm/N
  • Equivalent volume to the compliance VAS 21.2L
  • Mechanical resistance RMS 11.5N·s/m
  • Surround material Polyether foam
  • Spider material Poly-Cotton

Dimensions

  • Nominal diameter 12
  • 300mm
  • Overall diameter 324mm
  • Baffle cutout diameter 279mm
  • Mounting depth 178mm
  • Volume occupied by the driver (estimated) 2.8L
  • Frame material Die-Cast Aluminium

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