Dayton Audio Reference RSS460HO-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.9dB
• Frequency response 20 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 18.8Hz
• Mechanical quality factor QMS 4.05
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 12.8mm
• Air volume displaced at xmax VD 1484cm³
• Power handling P 900W
• Program power Pmax 1800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 2.24mH
• VC Diameter 76.2mm
• Winding material Copper
• Former material Aluminum

Magnet

• Force factor Bl 23.4N/A
• Motor constant Bl/√RE 13.1N/√W
• Material Ferrite

Diaphragm

• Effective diameter 385mm
• Effective area SD 1164cm²
• Moving mass MMS 499g
• Moving mass (without air load) MMD 471g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 7.14N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 272L
• Mechanical resistance RMS 14.6N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 18″
• 462mm
• Overall diameter 462mm
• Baffle cutout diameter 424mm
• Overall depth 227mm
• Volume occupied by the driver (estimated) 7.6L
• Frame material Cast Aluminium