Jensen Tornado N 12/65 TR Stealth

16Ω

Guitar Speaker

Nominal diameter12″ / 307 mm
Resonance80.2 Hz
Q factor1.27
Sensitivity95.9 dB
Program Power130 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 95.9dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 80.2Hz
  • Mechanical quality factor QMS 11.62
  • Electrical quality factor QES 1.43
  • Total quality factor QTS 1.27

Large signal parameters

  • Power handling P 65W
  • Program power Pmax 130W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 12.2Ω
  • Inductance (1kHz) LE 1.06mH
  • VC Diameter 44mm
  • Winding height HVC 11mm
  • Winding material Aluminum
  • Former material Glass Fiber

Magnet

  • Flux density B 1.04T
  • Force factor Bl 11.1N/A
  • Motor constant Bl/√RE 3.16N/√W
  • Air gap height HAG 8mm
  • Weight 0.2kg
  • Material Neodymium

Diaphragm

  • Effective diameter 250mm
  • Effective area SD 491cm²
  • Moving mass MMS 28.4g
  • Moving mass (without air load) MMD 20.5g
  • Material Paper

Suspensions

  • Stiffness KMS 7.19N/mm
  • Compliance CMS 139µm/N
  • Equivalent volume to the compliance VAS 47.3L
  • Mechanical resistance RMS 1.23N·s/m
  • Surround material Integrated Paper

Dimensions

  • Nominal diameter 12
  • 307mm
  • Overall diameter 307mm
  • Volume occupied by the driver (estimated) 0.91L
  • Net weight 2.2kg
  • Frame material Pressed Sheet
Jensen N 12/65 TR Stealth Dimensions

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