Dayton Audio Reference RSS265HO-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.7dB
• Frequency response 24 - 600Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 26.9Hz
• Mechanical quality factor QMS 4.02
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 12.3mm
• Air volume displaced at xmax VD 430cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 1.74mH
• VC Diameter 64mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 17.6N/A
• Motor constant Bl/√RE 9.41N/√W
• Weight 2.835kg
• Material Ferrite

Diaphragm

• Effective diameter 211mm
• Effective area SD 350cm²
• Moving mass MMS 201g
• Moving mass (without air load) MMD 196g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 5.88N/mm
• Compliance CMS 170µm/N
• Equivalent volume to the compliance VAS 29.4L
• Mechanical resistance RMS 8.45N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 10″
• 266mm
• Overall diameter 266mm
• Baffle cutout diameter 235mm
• Overall depth 137mm
• Volume occupied by the driver (estimated) 1.8L
• Frame material Steel