PUNKTKILDE AUGWL0187-JN01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 70Hz
• Mechanical quality factor QMS 5.89
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Maximum excursion before damage xlim 4.1mm
• Air volume displaced at xmax VD 14cm³
• Power handling P 5W
• Program power Pmax 10W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 1.8Ω
• Inductance (1kHz) LE 0.42mH
• VC Diameter 25.5mm
• Winding height HVC 9mm
• Winding material EISVW
• Former material Aluminum

Magnet

• Force factor Bl 4.47N/A
• Motor constant Bl/√RE 3.31N/√W
• Air gap height HAG 4mm
• Material Neodymium

Diaphragm

• Effective diameter 83mm
• Effective area SD 54.1cm²
• Moving mass MMS 14.5g
• Moving mass (without air load) MMD 14.2g
• Material Glass Fiber

Suspensions

• Stiffness KMS 2.86N/mm
• Compliance CMS 350µm/N
• Equivalent volume to the compliance VAS 1.46L
• Mechanical resistance RMS 1.09N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 4″
• 102mm
• Volume occupied by the driver (estimated) 0.14L
• Net weight 0.16kg
• Frame material Aluminium Die-cast