Tang Band W3-1797S

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.9dB
• Frequency response 90 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 90Hz
• Mechanical quality factor QMS 1.74
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 1mm
• Air volume displaced at xmax VD 3.2cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.008mH
• VC Diameter 32mm

Magnet

• Force factor Bl 4.56N/A
• Motor constant Bl/√RE 2.4N/√W
• Air gap height HAG 8mm
• Material Neodymium

Diaphragm

• Effective diameter 64mm
• Effective area SD 32cm²
• Moving mass MMS 4.19g
• Moving mass (without air load) MMD 4.1g
• Material Sandwich

Suspensions

• Stiffness KMS 1.51N/mm
• Compliance CMS 665µm/N
• Equivalent volume to the compliance VAS 0.97L
• Mechanical resistance RMS 1.36N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.14L
• Net weight 0.374kg