Tang Band WT-1427G

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.4dB
• Frequency response 25 - 400Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 25Hz
• Mechanical quality factor QMS 3.42
• Electrical quality factor QES 0.31
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 9.5mm
• Air volume displaced at xmax VD 333cm³
• Power handling P 120W
• Program power Pmax 240W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.69mH
• VC Diameter 65.5mm

Magnet

• Force factor Bl 17.4N/A
• Motor constant Bl/√RE 9.7N/√W
• Air gap height HAG 6mm
• Material Neodymium

Diaphragm

• Effective diameter 211mm
• Effective area SD 350cm²
• Moving mass MMS 190g
• Moving mass (without air load) MMD 185g
• Material Polypropylene

Suspensions

• Stiffness KMS 4.55N/mm
• Compliance CMS 220µm/N
• Equivalent volume to the compliance VAS 38.2L
• Mechanical resistance RMS 8.71N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 10″
• 254mm
• Volume occupied by the driver (estimated) 1.5L