Jensen Vintage AlNiCo P10Q

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB

Thiele & Small parameters

• Resonance frequency (free air) fS 89.9Hz
• Mechanical quality factor QMS 9.96
• Electrical quality factor QES 1.68
• Total quality factor QTS 1.44

Large signal parameters

• Maximum linear excursion xmax 1mm
• Air volume displaced at xmax VD 33cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.52mH
• VC Diameter 32mm
• Winding height HVC 8mm
• Winding material Copper
• Former material Nomex

Magnet

• Flux density B 1.05T
• Force factor Bl 6.07N/A
• Motor constant Bl/√RE 2.57N/√W
• Air gap height HAG 6mm
• Weight 0.3kg
• Material Alnico

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 19.7g
• Moving mass (without air load) MMD 15.3g
• Material Paper

Suspensions

• Stiffness KMS 6.29N/mm
• Compliance CMS 159µm/N
• Equivalent volume to the compliance VAS 24.4L
• Mechanical resistance RMS 1.12N·s/m
• Surround material Integrated Paper

Dimensions

• Nominal diameter 10″
• 259mm
• Overall diameter 259mm
• Volume occupied by the driver (estimated) 0.65L
• Net weight 1.6kg
• Frame material Pressed Sheet