Dayton Audio Reference RSS265HO-44

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.7dB
• Frequency response 25 - 600Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 27.6Hz
• Mechanical quality factor QMS 4.42
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 13.3mm
• Air volume displaced at xmax VD 467cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series) LE 3.08mH
• VC Diameter 65.5mm

Magnet

• Force factor (in series) Bl 18.8N/A
• Motor constant Bl/√RE 7.42N/√W

Diaphragm

• Effective diameter 212mm
• Effective area SD 352cm²
• Moving mass MMS 161g
• Moving mass (without air load) MMD 156g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 4.76N/mm
• Compliance CMS 210µm/N
• Equivalent volume to the compliance VAS 34.8L
• Mechanical resistance RMS 6.32N·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 Cast Aluminium