D.A.S. Audio 12GNR

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 45 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39.6Hz
• Mechanical quality factor QMS 12.92
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.26

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 324cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 1.74mH
• VC Diameter 102mm
• Winding material Copper

Magnet

• Force factor Bl 23N/A
• Motor constant Bl/√RE 9.39N/√W
• Material Neodymium

Diaphragm

• Effective diameter 262mm
• Effective area SD 540cm²
• Moving mass MMS 93.7g
• Moving mass (without air load) MMD 85g

Suspensions

• Stiffness KMS 5.81N/mm
• Compliance CMS 172µm/N
• Equivalent volume to the compliance VAS 71L
• Mechanical resistance RMS 1.81N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Volume occupied by the driver (estimated) 2.4L
• Frame material Injected Aluminum