Dayton Audio Reference RSS265HF-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.5dB
• Frequency response 22 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 25.6Hz
• Mechanical quality factor QMS 3.06
• Electrical quality factor QES 0.53
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 12.3mm
• Air volume displaced at xmax VD 438cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.96mH
• VC Diameter 64mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 11.4N/A
• Motor constant Bl/√RE 6.11N/√W
• Weight 2.835kg
• Material Ferrite

Diaphragm

• Effective diameter 213mm
• Effective area SD 356cm²
• Moving mass MMS 120g
• Moving mass (without air load) MMD 115g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 3.13N/mm
• Compliance CMS 320µm/N
• Equivalent volume to the compliance VAS 54L
• Mechanical resistance RMS 6.31N·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