D.A.S. Audio 15GNR

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 35 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 36.5Hz
• Mechanical quality factor QMS 12.77
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 538cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 1.25mH
• VC Diameter 102mm
• Winding material Copper

Magnet

• Force factor Bl 20.9N/A
• Motor constant Bl/√RE 8.31N/√W
• Material Neodymium

Diaphragm

• Effective diameter 338mm
• Effective area SD 897cm²
• Moving mass MMS 136g
• Moving mass (without air load) MMD 118g

Suspensions

• Stiffness KMS 7.14N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 160L
• Mechanical resistance RMS 2.44N·s/m

Dimensions

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