Dayton Audio Reference RSS315HF-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB
• Frequency response 23 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 24.2Hz
• Mechanical quality factor QMS 2.83
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 14.3mm
• Air volume displaced at xmax VD 736cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.1Ω
• Inductance (1kHz) LE 0.96mH
• VC Diameter 64mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 14N/A
• Motor constant Bl/√RE 7.95N/√W
• Weight 4.252kg
• Material Ferrite

Diaphragm

• Effective diameter 256mm
• Effective area SD 515cm²
• Moving mass MMS 188g
• Moving mass (without air load) MMD 180g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 4.35N/mm
• Compliance CMS 230µm/N
• Equivalent volume to the compliance VAS 84.1L
• Mechanical resistance RMS 10.1N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 12″
• 314mm
• Overall diameter 314mm
• Baffle cutout diameter 282mm
• Overall depth 146mm
• Volume occupied by the driver (estimated) 2.5L
• Frame material Steel