Tang Band W1-1815SA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 75.4dB
• Frequency response 170 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 170Hz
• Mechanical quality factor QMS 4.13
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 1.3mm
• Air volume displaced at xmax VD 0.6cm³
• Power handling P 2W
• Program power Pmax 4W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.064mH
• VC Diameter 19.4mm

Magnet

• Force factor Bl 2.13N/A
• Motor constant Bl/√RE 1.12N/√W
• Air gap height HAG 1.5mm
• Material Neodymium

Diaphragm

• Effective diameter 24mm
• Effective area SD 4.5cm²
• Moving mass MMS 0.769g
• Moving mass (without air load) MMD 0.8g
• Material Aluminium

Suspensions

• Stiffness KMS 0.73N/mm
• Compliance CMS 1370µm/N
• Equivalent volume to the compliance VAS 0.038L
• Mechanical resistance RMS 0.2N·s/m
• Surround material Santoprene

Dimensions

• Nominal diameter 1″
• 25mm
• Net weight 0.045kg