Jensen Mod 5-30

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 125Hz
• Mechanical quality factor QMS 7.48
• Electrical quality factor QES 0.95
• Total quality factor QTS 0.84

Large signal parameters

• Maximum linear excursion xmax 0.5mm
• Air volume displaced at xmax VD 3.9cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.19mH
• VC Diameter 25mm
• Winding material Copper
• Former material Epotex

Magnet

• Flux density B 1.1T
• Force factor Bl 4.59N/A
• Motor constant Bl/√RE 1.87N/√W
• Weight 0.38kg
• Material Ferrite

Diaphragm

• Effective diameter 100mm
• Effective area SD 78.5cm²
• Moving mass MMS 4.3g
• Moving mass (without air load) MMD 3.8g
• Material Paper

Suspensions

• Stiffness KMS 2.65N/mm
• Compliance CMS 378µm/N
• Equivalent volume to the compliance VAS 3.3L
• Mechanical resistance RMS 0.45N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 5″
• 129mm
• Overall diameter 129mm
• Volume occupied by the driver (estimated) 0.39L
• Net weight 0.98kg
• Frame material Pressed Sheet