Tang Band W4-1658SB

Woofer

Nominal diameter4″ / 102 mm
Resonance55 Hz
Q factor0.39
Sensitivity86.3 dB
Linear excursion± 4.5 mm
Program Power90 W
Discontinued
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 86.3dB
  • Frequency response 55 - 6000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 55Hz
  • Mechanical quality factor QMS 8.84
  • Electrical quality factor QES 0.41
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion xmax 4.5mm
  • Air volume displaced at xmax VD 35cm³
  • Power handling P 45W
  • Program power Pmax 90W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.8Ω
  • Inductance (1kHz) LE 0.144mH
  • VC Diameter 49.5mm

Magnet

  • Force factor Bl 5.62N/A
  • Motor constant Bl/√RE 2.88N/√W
  • Air gap height HAG 6mm
  • Material Neodymium

Diaphragm

  • Effective diameter 100mm
  • Effective area SD 78.5cm²
  • Moving mass MMS 9.98g
  • Moving mass (without air load) MMD 9.6g
  • Material Polypropylene

Suspensions

  • Stiffness KMS 1.18N/mm
  • Compliance CMS 848µm/N
  • Equivalent volume to the compliance VAS 7.42L
  • Mechanical resistance RMS 0.39N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 4
  • 102mm
  • Volume occupied by the driver (estimated) 0.14L
Tang Band W4-1658SB SPL & Impedance
Tang Band W4-1658SB Dimensions

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