Eminence TONKERLITE

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99.6dB
• Frequency response 80 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 109Hz
• Mechanical quality factor QMS 12.58
• Electrical quality factor QES 0.85
• Total quality factor QTS 0.80

Large signal parameters

• Maximum linear excursion xmax 1.2mm
• Air volume displaced at xmax VD 64cm³
• Power handling P 125W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.2Ω
• Inductance (1kHz) LE 0.42mH
• VC Diameter 51mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 13.1N/A
• Motor constant Bl/√RE 4.88N/√W
• Air gap height HAG 7.1mm
• Weight 0.113kg
• Material Neodymium

Diaphragm

• Effective diameter 257mm
• Effective area SD 520cm²
• Moving mass MMS 30g
• Moving mass (without air load) MMD 21.7g
• Material Paper

Suspensions

• Stiffness KMS 14.3N/mm
• Compliance CMS 70µm/N
• Equivalent volume to the compliance VAS 27.4L
• Mechanical resistance RMS 1.63N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 306mm
• Baffle cutout diameter 281mm
• Overall depth 130mm
• Volume occupied by the driver 1.67L
• Net weight 1.86kg
• Frame material Pressed steel