Jensen Vintage AlNiCo P15N

16Ω

Guitar Speaker

Nominal diameter15″ / 385 mm
Resonance67 Hz
Q factor1.08
Sensitivity97.1 dB
Linear excursion± 1 mm
Program Power100 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 97.1dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 67Hz
  • Mechanical quality factor QMS 5.74
  • Electrical quality factor QES 1.33
  • Total quality factor QTS 1.08

Large signal parameters

  • Maximum linear excursion xmax 1mm
  • Air volume displaced at xmax VD 76cm³
  • Power handling P 50W
  • Program power Pmax 100W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 12.0Ω
  • Inductance (1kHz) LE 1.28mH
  • VC Diameter 38mm
  • Winding height HVC 10mm
  • Winding material Copper
  • Former material Kapton

Magnet

  • Flux density B 1.26T
  • Force factor Bl 13.2N/A
  • Motor constant Bl/√RE 3.8N/√W
  • Air gap height HAG 8mm
  • Weight 0.826kg
  • Material Alnico

Diaphragm

  • Effective diameter 310mm
  • Effective area SD 755cm²
  • Moving mass MMS 42.9g
  • Moving mass (without air load) MMD 27.8g
  • Material Paper

Suspensions

  • Stiffness KMS 7.58N/mm
  • Compliance CMS 132µm/N
  • Equivalent volume to the compliance VAS 105L
  • Mechanical resistance RMS 3.15N·s/m
  • Surround material Integrated Paper

Dimensions

  • Nominal diameter 15
  • 385mm
  • Overall diameter 385mm
  • Volume occupied by the driver (estimated) 1.7L
  • Net weight 3.9kg
  • Frame material Pressed Sheet
Jensen P15N Dimensions

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