D.A.S. Audio 12H

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.2dB
• Frequency response 45 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 6.47
• Electrical quality factor QES 0.32
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 12mm
• Air volume displaced at xmax VD 324cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz, estimated) LE 2.52mH
• VC Diameter 102mm
• Winding height HVC 16mm
• Winding material Copper
• Former material Glass Fibre Reinforced Polymer

Magnet

• Force factor Bl 21.6N/A
• Motor constant Bl/√RE 8.75N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 262mm
• Effective area SD 540cm²
• Moving mass MMS 81g
• Moving mass (without air load) MMD 72.3g

Suspensions

• Stiffness KMS 7.3N/mm
• Compliance CMS 137µm/N
• Equivalent volume to the compliance VAS 56.7L
• Mechanical resistance RMS 3.77N·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
• Frame material Injected Aluminum