Skar Audio DNR-15 D1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB
• Frequency response 44 - 300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 4.20
• Electrical quality factor QES 0.99
• Total quality factor QTS 0.90

Large signal parameters

• Maximum linear excursion xmax 34.5mm
• Air volume displaced at xmax VD 2604cm³
• Power handling P 5000W
• Program power Pmax 10000W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 2.0Ω
• Inductance (1kHz, in series, estimated) LE 3.6mH
• VC Diameter 102mm

Magnet

• Force factor (in series) Bl 20.1N/A
• Motor constant Bl/√RE 14.2N/√W
• Diameter 249mm

Diaphragm

• Effective diameter 310mm
• Effective area SD 755cm²
• Moving mass MMS 737g
• Moving mass (without air load) MMD 722g

Suspensions

• Stiffness KMS 58.8N/mm
• Compliance CMS 17µm/N
• Equivalent volume to the compliance VAS 14.4L
• Mechanical resistance RMS 48.5N·s/m

Dimensions

• Nominal diameter 15″
• 397mm
• Overall diameter 397mm
• Baffle cutout diameter 360mm
• Overall depth 330mm
• Flange thickness 40mm
• Mounting depth 290mm
• Volume occupied by the driver (estimated) 10L