Dayton Audio Reference RSS315HO-44

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.5dB
• Frequency response 20 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 21.5Hz
• Mechanical quality factor QMS 3.70
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 14mm
• Air volume displaced at xmax VD 710cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.5Ω
• Inductance (1kHz, in series) LE 3.17mH
• VC Diameter 65.5mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor (in series) Bl 26.5N/A
• Motor constant Bl/√RE 10.4N/√W
• Material Ferrite

Diaphragm

• Effective diameter 254mm
• Effective area SD 507cm²
• Moving mass MMS 328g
• Moving mass (without air load) MMD 319g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 5.88N/mm
• Compliance CMS 170µm/N
• Equivalent volume to the compliance VAS 61.3L
• Mechanical resistance RMS 12N·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