Dayton Audio Reference RSS210HF-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.6dB
• Frequency response 27 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 29.6Hz
• Mechanical quality factor QMS 3.25
• Electrical quality factor QES 0.69
• Total quality factor QTS 0.57

Large signal parameters

• Maximum linear excursion xmax 9mm
• Air volume displaced at xmax VD 197cm³
• Power handling P 280W
• Program power Pmax 560W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.1Ω
• Inductance (1kHz) LE 0.7mH
• VC Diameter 51mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 8.12N/A
• Motor constant Bl/√RE 4.61N/√W
• Weight 1.417kg
• Material Ferrite

Diaphragm

• Effective diameter 167mm
• Effective area SD 219cm²
• Moving mass MMS 78.4g
• Moving mass (without air load) MMD 76g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 2.7N/mm
• Compliance CMS 370µm/N
• Equivalent volume to the compliance VAS 23.7L
• Mechanical resistance RMS 4.49N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 8″
• 213mm
• Overall diameter 213mm
• Baffle cutout diameter 185mm
• Overall depth 124mm
• Volume occupied by the driver (estimated) 1.2L
• Frame material Steel