Tang Band W2-2181S

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.6dB
• Frequency response 120 - 12000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 1.61
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 3cm³
• Power handling P 10W
• Program power Pmax 20W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.032mH
• VC Diameter 25.4mm

Magnet

• Force factor Bl 3.72N/A
• Motor constant Bl/√RE 2.02N/√W
• Air gap height HAG 3mm
• Material Neodymium

Diaphragm

• Effective diameter 44mm
• Effective area SD 15cm²
• Moving mass MMS 2.3g
• Moving mass (without air load) MMD 2.3g
• Material Mineral filled Polypropylene

Suspensions

• Stiffness KMS 1.35N/mm
• Compliance CMS 743µm/N
• Equivalent volume to the compliance VAS 0.24L
• Mechanical resistance RMS 1.08N·s/m
• Surround material Santoprene

Dimensions

• Nominal diameter 2″
• 51mm
• Net weight 0.13kg