Tang Band W3-2345S

• Sensitivity (1W, 1m, infinite baffle) SPL1W 72.8dB
• Frequency response 45 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 3.59
• Electrical quality factor QES 0.56
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 7.7mm
• Air volume displaced at xmax VD 21cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.15mH
• VC Diameter 25.4mm

Magnet

• Force factor Bl 5.88N/A
• Motor constant Bl/√RE 3.1N/√W
• Air gap height HAG 3mm
• Material Neodymium

Diaphragm

• Effective diameter 59mm
• Effective area SD 27cm²
• Moving mass MMS 18g
• Moving mass (without air load) MMD 17.9g
• Material Aluminium

Suspensions

• Stiffness KMS 1.61N/mm
• Compliance CMS 622µm/N
• Equivalent volume to the compliance VAS 0.64L
• Mechanical resistance RMS 1.41N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.11L
• Net weight 0.311kg