Tang Band W2-748SG

8Ω

Full-range

Nominal diameter2″ / 51 mm
Resonance160 Hz
Q factor0.26
Sensitivity86.7 dB
Linear excursion± 0.8 mm
Program Power20 W
Discontinued
Tang Band W2-748SG Full-rangeTang Band W2-748SG Full-rangeTang Band W2-748SG Full-range
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 86.7dB
  • Frequency response 160 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 160Hz
  • Mechanical quality factor QMS 2.76
  • Electrical quality factor QES 0.28
  • Total quality factor QTS 0.26

Large signal parameters

  • Maximum linear excursion xmax 0.8mm
  • Air volume displaced at xmax VD 1cm³
  • Power handling P 10W
  • Program power Pmax 20W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.2Ω
  • Inductance (1kHz) LE 0.048mH
  • VC Diameter 25.4mm

Magnet

  • Force factor Bl 5.35N/A
  • Motor constant Bl/√RE 1.99N/√W
  • Air gap height HAG 3mm
  • Material Neodymium

Diaphragm

  • Effective diameter 41mm
  • Effective area SD 13cm²
  • Moving mass MMS 1.15g
  • Moving mass (without air load) MMD 1.1g
  • Material Aluminum / Magnesium

Suspensions

  • Stiffness KMS 1.09N/mm
  • Compliance CMS 914µm/N
  • Equivalent volume to the compliance VAS 0.22L
  • Mechanical resistance RMS 0.42N·s/m
  • Surround material Thermoplastic Elastomer

Dimensions

  • Nominal diameter 2″
  • 51mm
SPL & Impedance
Tang Band W2-748SG SPL & Impedance
Tang Band W2-748SG Dimensions
PDF fileDatasheet

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