Tang Band W3-881SJF

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 100 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 100Hz
• Mechanical quality factor QMS 6.44
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 1.6cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.6Ω
• Inductance (1kHz) LE 0.081mH
• VC Diameter 20.4mm

Magnet

• Force factor Bl 4.47N/A
• Motor constant Bl/√RE 1.74N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 64mm
• Effective area SD 32cm²
• Moving mass MMS 2g
• Moving mass (without air load) MMD 1.9g
• Material Natural color Polypropylene-Mica

Suspensions

• Stiffness KMS 0.768N/mm
• Compliance CMS 1302µm/N
• Equivalent volume to the compliance VAS 1.89L
• Mechanical resistance RMS 0.2N·s/m
• Surround material Santoprene

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.26L
• Net weight 0.682kg