Dayton Audio Reference RSS315HO-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 26 - 600Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 26.2Hz
• Mechanical quality factor QMS 3.63
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 12.3mm
• Air volume displaced at xmax VD 633cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 1.75mH
• VC Diameter 64mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 20N/A
• Motor constant Bl/√RE 11.2N/√W
• Weight 4.252kg
• Material Ferrite

Diaphragm

• Effective diameter 256mm
• Effective area SD 515cm²
• Moving mass MMS 251g
• Moving mass (without air load) MMD 243g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 6.67N/mm
• Compliance CMS 150µm/N
• Equivalent volume to the compliance VAS 53.7L
• Mechanical resistance RMS 11.4N·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 Cast Aluminium