Acoustic Elegance Dipole15-D8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 21.7Hz
• Mechanical quality factor QMS 15.20
• Electrical quality factor QES 1.00
• Total quality factor QTS 0.94

Large signal parameters

• Maximum linear excursion xmax 12mm
• Maximum excursion before damage xlim 18mm
• Air volume displaced at xmax VD 1026cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 2 x 8Ω
• DC resistance (in series) RE 12.3Ω
• Inductance (1kHz, in series) LE 0.16mH

Magnet

• Force factor (in series) Bl 12.2N/A
• Motor constant Bl/√RE 3.48N/√W

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 90g
• Moving mass (without air load) MMD 72.9g

Suspensions

• Stiffness KMS 1.67N/mm
• Compliance CMS 600µm/N
• Equivalent volume to the compliance VAS 623L
• Mechanical resistance RMS 0.81N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Volume occupied by the driver (estimated) 4.3L