Jensen Vintage AlNiCo P10R

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 97Hz
• Mechanical quality factor QMS 14.83
• Electrical quality factor QES 1.82
• Total quality factor QTS 1.62

Large signal parameters

• Maximum linear excursion xmax 0.8mm
• Air volume displaced at xmax VD 26cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.7Ω
• Inductance (1kHz) LE 0.54mH
• VC Diameter 25mm
• Winding height HVC 8mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 0.96T
• Force factor Bl 5.83N/A
• Motor constant Bl/√RE 2.26N/√W
• Air gap height HAG 6mm
• Weight 0.2kg
• Material Alnico

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 15.2g
• Moving mass (without air load) MMD 10.8g
• Material Paper

Suspensions

• Stiffness KMS 5.65N/mm
• Compliance CMS 177µm/N
• Equivalent volume to the compliance VAS 27.4L
• Mechanical resistance RMS 0.62N·s/m
• Surround material Integrated Paper

Dimensions

• Nominal diameter 10″
• 259mm
• Overall diameter 259mm
• Volume occupied by the driver (estimated) 0.56L
• Net weight 1.4kg
• Frame material Pressed Sheet