Eminence PRIVATE JACK

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99.3dB
• Frequency response 80 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 96Hz
• Mechanical quality factor QMS 18.19
• Electrical quality factor QES 0.72
• Total quality factor QTS 0.69

Large signal parameters

• Maximum linear excursion xmax 1.2mm
• Air volume displaced at xmax VD 64cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.0Ω
• Inductance (1kHz) LE 0.49mH
• VC Diameter 44mm
• Winding material Copper
• Former material Paper

Magnet

• Force factor Bl 13.5N/A
• Motor constant Bl/√RE 5.1N/√W
• Air gap height HAG 7.9mm
• Weight 1.077kg
• Material Ferrite

Diaphragm

• Effective diameter 257mm
• Effective area SD 520cm²
• Moving mass MMS 31g
• Moving mass (without air load) MMD 22.7g
• Material Paper

Suspensions

• Stiffness KMS 11.1N/mm
• Compliance CMS 90µm/N
• Equivalent volume to the compliance VAS 33.7L
• Mechanical resistance RMS 1.03N·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 2L
• Net weight 3.63kg
• Frame material Pressed steel