Tang Band WT-998D

Woofer

Nominal diameter10″ / 254 mm
Resonance70 Hz
Q factor0.35
Sensitivity97.1 dB
Linear excursion± 2 mm
Program Power500 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 97.1dB
  • Frequency response 70 - 35000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 70Hz
  • Mechanical quality factor QMS 3.66
  • Electrical quality factor QES 0.39
  • Total quality factor QTS 0.35

Large signal parameters

  • Maximum linear excursion xmax 2mm
  • Air volume displaced at xmax VD 70cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.6Ω
  • Inductance (1kHz) LE 0.1mH
  • VC Diameter 50mm

Magnet

  • Force factor Bl 11N/A
  • Motor constant Bl/√RE 5.8N/√W
  • Air gap height HAG 8mm
  • Material Ferrite

Diaphragm

  • Effective diameter 211mm
  • Effective area SD 350cm²
  • Moving mass MMS 30g
  • Moving mass (without air load) MMD 25.3g
  • Material Air Dry Paper

Suspensions

  • Stiffness KMS 5.75N/mm
  • Compliance CMS 174µm/N
  • Equivalent volume to the compliance VAS 30.2L
  • Mechanical resistance RMS 3.61N·s/m
  • Surround material Fabric

Dimensions

  • Nominal diameter 10
  • 254mm
  • Volume occupied by the driver (estimated) 2L
  • Net weight 4.6kg
Tang Band WT-998D SPL & Impedance
Tang Band WT-998D Dimensions

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