Dayton Audio Reference RS100P-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.6dB
• Frequency response 90 - 12500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 95.6Hz
• Mechanical quality factor QMS 2.18
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 3.7mm
• Air volume displaced at xmax VD 14cm³
• Power handling P 30W
• Program power Pmax 45W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.6Ω
• Inductance (1kHz) LE 0.51mH
• VC Diameter 25mm

Magnet

• Force factor Bl 3.95N/A
• Motor constant Bl/√RE 1.54N/√W
• Material Ferrite

Diaphragm

• Effective diameter 69mm
• Effective area SD 37.4cm²
• Moving mass MMS 2.8g
• Moving mass (without air load) MMD 2.6g
• Material Paper / Kevlar

Suspensions

• Stiffness KMS 1.02N/mm
• Compliance CMS 980µm/N
• Equivalent volume to the compliance VAS 1.82L
• Mechanical resistance RMS 0.77N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 4″
• 98mm
• Overall diameter 98mm
• Baffle cutout diameter 77mm
• Overall depth 51mm
• Volume occupied by the driver (estimated) 0.13L
• Frame material Cast Aluminium