Tang Band W3-2108

• Sensitivity (1W, 1m, infinite baffle) SPL1W 77.4dB
• Frequency response 45 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 4.67
• Electrical quality factor QES 0.51
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 31cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.21mH
• VC Diameter 32mm

Magnet

• Force factor Bl 6.17N/A
• Motor constant Bl/√RE 3.25N/√W
• Air gap height HAG 4mm
• Material Ferrite

Diaphragm

• Effective diameter 75mm
• Effective area SD 44cm²
• Moving mass MMS 18g
• Moving mass (without air load) MMD 17.8g
• Material Polypropylene Composite

Suspensions

• Stiffness KMS 1.61N/mm
• Compliance CMS 622µm/N
• Equivalent volume to the compliance VAS 1.71L
• Mechanical resistance RMS 1.09N·s/m
• Surround material Santoprene

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.44L
• Net weight 1.1kg