Ciare NDH15-3LW-44

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 36Hz
• Mechanical quality factor QMS 10.60
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 638cm³
• Power handling P 350W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.0Ω
• Inductance (1kHz, in series) LE 1.1mH
• VC Diameter 75mm
• Winding material Copper
• Former material Aluminium

Magnet

• Force factor (in series) Bl 22.5N/A
• Motor constant Bl/√RE 9.19N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 329mm
• Effective area SD 850cm²
• Moving mass MMS 106g
• Moving mass (without air load) MMD 88.7g
• Material Treated Paper

Suspensions

• Stiffness KMS 5.65N/mm
• Compliance CMS 177µm/N
• Equivalent volume to the compliance VAS 181L
• Mechanical resistance RMS 2.26N·s/m
• Surround material Nomex
• Spider material Nomex

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 354mm
• Overall depth 175mm
• Flange thickness 14mm
• Mounting depth 161mm
• Volume occupied by the driver (estimated) 4.2L
• Frame material Aluminium