Dayton Audio Odeum Apollo 10N

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.6dB
• Frequency response 60 - 4200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 54Hz
• Mechanical quality factor QMS 6.73
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.22

Large signal parameters

• Maximum linear excursion xmax 5.8mm
• Air volume displaced at xmax VD 193cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.4Ω
• Inductance (1kHz) LE 1.12mH
• VC Diameter 63.5mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Force factor Bl 19.2N/A
• Motor constant Bl/√RE 7.06N/√W
• Material Neodymium

Diaphragm

• Effective diameter 206mm
• Effective area SD 333cm²
• Moving mass MMS 34.2g
• Moving mass (without air load) MMD 29.6g
• Material Coated Paper

Suspensions

• Stiffness KMS 3.88N/mm
• Compliance CMS 258µm/N
• Equivalent volume to the compliance VAS 43.5L
• Mechanical resistance RMS 1.72N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 10″
• 266mm
• Overall diameter 266mm
• Baffle cutout diameter 238mm
• Overall depth 126mm
• Volume occupied by the driver (estimated) 1.6L
• Frame material Steel