Tang Band W2-780SD

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB
• Frequency response 155 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 155Hz
• Mechanical quality factor QMS 3.89
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 1mm
• Air volume displaced at xmax VD 1.3cm³
• Power handling P 8W
• Program power Pmax 16W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.04mH
• VC Diameter 20.4mm

Magnet

• Force factor Bl 3.64N/A
• Motor constant Bl/√RE 1.49N/√W
• Air gap height HAG 3mm
• Material Neodymium

Diaphragm

• Effective diameter 41mm
• Effective area SD 13cm²
• Moving mass MMS 0.87g
• Moving mass (without air load) MMD 0.8g
• Material Polypropylene-Mica

Suspensions

• Stiffness KMS 0.828N/mm
• Compliance CMS 1208µm/N
• Equivalent volume to the compliance VAS 0.29L
• Mechanical resistance RMS 0.22N·s/m
• Surround material Thermoplastic Elastomer

Dimensions

• Nominal diameter 2″
• 51mm
• Net weight 0.138kg