Eminence RAMROD

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99dB
• Frequency response 80 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 101Hz
• Mechanical quality factor QMS 10.80
• Electrical quality factor QES 0.68
• Total quality factor QTS 0.64

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 18cm³
• Power handling P 75W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.3Ω
• Inductance (1kHz) LE 0.39mH
• VC Diameter 38.1mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 11.5N/A
• Motor constant Bl/√RE 4.26N/√W
• Air gap height HAG 7.9mm
• Weight 0.85kg
• Material Ferrite

Diaphragm

• Effective diameter 216mm
• Effective area SD 366cm²
• Moving mass MMS 19g
• Moving mass (without air load) MMD 14.1g
• Material Paper

Suspensions

• Stiffness KMS 7.69N/mm
• Compliance CMS 130µm/N
• Equivalent volume to the compliance VAS 24.6L
• Mechanical resistance RMS 1.12N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 257mm
• Baffle cutout diameter 232mm
• Overall depth 109mm
• Volume occupied by the driver 1.1L
• Net weight 2.903kg
• Frame material Pressed Steel