D.A.S. Audio 12P

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
• Frequency response 50 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 10.13
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 11mm
• Air volume displaced at xmax VD 324cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz, estimated) LE 2.1mH
• VC Diameter 77mm
• Winding height HVC 15mm
• Winding material Copper
• Former material Glass Fibre Reinforced Polymer

Magnet

• Force factor Bl 16.8N/A
• Motor constant Bl/√RE 6.59N/√W
• Air gap height HAG 7mm
• Material Ferrite

Diaphragm

• Effective diameter 262mm
• Effective area SD 540cm²
• Moving mass MMS 56g
• Moving mass (without air load) MMD 47.3g

Suspensions

• Stiffness KMS 3.94N/mm
• Compliance CMS 254µm/N
• Equivalent volume to the compliance VAS 105L
• Mechanical resistance RMS 1.46N·s/m
• Surround material Polycotton
• Spider material Polycotton

Dimensions

• Nominal diameter 12″
• 305mm
• Baffle cutout diameter 289mm
• Volume occupied by the driver (estimated) 2.4L
• Net weight 5.5kg
• Frame material Injected Aluminum