Jensen Mod 12-35

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 90Hz
• Mechanical quality factor QMS 19.38
• Electrical quality factor QES 2.13
• Total quality factor QTS 1.92

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Air volume displaced at xmax VD 74cm³
• Power handling P 35W
• Program power Pmax 70W

Voice Coil

• Nominal impedance Z 16Ω
• DC resistance RE 12.4Ω
• Inductance (1kHz) LE 1.7mH
• VC Diameter 25mm
• Winding material Copper
• Former material Epotex

Magnet

• Flux density B 0.95T
• Force factor Bl 9.99N/A
• Motor constant Bl/√RE 2.84N/√W
• Weight 0.28kg
• Material Ferrite

Diaphragm

• Effective diameter 250mm
• Effective area SD 491cm²
• Moving mass MMS 30.6g
• Moving mass (without air load) MMD 22.8g
• Material Paper

Suspensions

• Stiffness KMS 9.71N/mm
• Compliance CMS 103µm/N
• Equivalent volume to the compliance VAS 34.8L
• Mechanical resistance RMS 0.89N·s/m
• Surround material Integrated Paper

Dimensions

• Nominal diameter 12″
• 306mm
• Overall diameter 306mm
• Volume occupied by the driver (estimated) 0.53L
• Net weight 1.32kg
• Frame material Pressed Sheet