Jensen Punch BP 10/150

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 55Hz
• Mechanical quality factor QMS 5.93
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 2.4mm
• Maximum excursion before damage xlim 3.5mm
• Air volume displaced at xmax VD 79cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz) LE 0.85mH
• VC Diameter 50mm
• Winding height HVC 11mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 1.2T
• Force factor Bl 13.5N/A
• Motor constant Bl/√RE 5.46N/√W
• Air gap height HAG 10mm
• Weight 1.1kg
• Material Ferrite

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 30.7g
• Moving mass (without air load) MMD 26.2g
• Material Paper

Suspensions

• Stiffness KMS 3.62N/mm
• Compliance CMS 276µm/N
• Equivalent volume to the compliance VAS 42.6L
• Mechanical resistance RMS 1.79N·s/m
• Surround material Treated Cloth

Dimensions

• Nominal diameter 10″
• 266mm
• Overall diameter 266mm
• Volume occupied by the driver (estimated) 1.5L
• Net weight 3.5kg
• Frame material Pressed Sheet