Speaker - Jensen® Jets, 12", Tornado Classic, 100W

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Speaker - Jensen® Jets, 12", Tornado Classic, 100W

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The Tornado 100 is the first Jensen Jet speaker loaded with the 2nd Generation Neodymium magnet design that has since been extended to the Tornado Stealth line. The Tornado speakers are voiced similarly to AlNiCo speakers, unlocking their full tone potential. The Tornado 100 is an evenly-balanced speaker: clear, smooth, and well-defined with a solid, powerful bass range. Excellent dynamic range and headroom make the Tornado Classic 100 eminently versatile, from clean to crunch and lead tones. It is designed to suit open back, closed back, and ported cabinets.

Guitarist Description: Crystal clear, clean tones, accented by shimmering highs with each note sounding tight and well-defined. When presented with overdrive distortion, the notes remain well-defined with lots of bite.

  • Lows: Powerful/Fat
  • Mids: Balanced
  • Highs: Open/Smooth
  • Overdrive: Defined/Crunchy

For more information about our Jensen® speakers, see our tech corner article on Jensen Speakers.

RoHS Compliant
Item ID:
JensenJensen Jets
Part Numbers
ImpedanceOur Part NumberUPC/EAN
16 ΩP-A-JN12-100T168034028640452
4 ΩP-A-JN12-100TR48034028640537
8 ΩP-A-JN12-100TR88034028640520
Product Measurements
Basket MaterialPressed Sheet Steel
Cone MaterialPaper
Depth5.5826 in.
Diameter12 in.
Diaphragm Area (SD)490.90 cm2
Dust Dome MaterialNon-treated Cloth
Equivalent Acoustic Volume (VAS)4 Ω version47.20 liters
8 Ω version55.90 liters
16 Ω version55.70 liters
Flux Density1.20 T
Force Factor (BxL)4 Ω version9.02 Wb/m
8 Ω version12.93 Wb/m
16 Ω version15.72 Wb/m
Inner Diameter10.9055 in.
Linear Displacement, maximum (XMAX)1.00 mm
Losses Electrical Resistance (RES)4 Ω version60.00 Ω
8 Ω version148.90 Ω
16 Ω version252.50 Ω
Magnet Assembly Depth1.8503 in.
Magnet Assembly Diameter3.8582 in.
Magnet TypeNeodymium
Magnetic Gap Depth8.00 mm
Mechanical Compliance (CMS)4 Ω version138.00 µm/N
8 Ω version163.00 µm/N
16 Ω version163.00 µm/N
Mechanical Moving Mass (MMS)4 Ω version31.20 g
8 Ω version29.90 g
16 Ω version31.90 g
Mechanical Q Factor (QMS)4 Ω version11.08
8 Ω version9.51
16 Ω version14.28
Mounting Hole Bolt Circle Diameter11.5551 in.
Mounting Hole Diameter0.2559 in.
Musical Power200.00 W
Nominal Overall Diameter307.00 mm
Nominal Voice Coil Diameter50.00 mm
Outer Diameter12.0866 in.
Rated Power100.00 W
Reference Efficiency (nO)4 Ω version3.33 %
8 Ω version2.82 %
16 Ω version2.45 %
Resonance Frequency (ƒS)4 Ω version76.50 Hz
8 Ω version72.00 Hz
16 Ω version70.00 Hz
Sensitivity @ 1W, 1m4 Ω version98.20 dB
8 Ω version98.50 dB
16 Ω version97.00 dB
Surround MaterialIntegrated Paper
Surround TreatmentYes
Total Q Factor (QTS)4 Ω version0.58
8 Ω version0.52
16 Ω version0.70
Voice Coil DC Resistance (Re)4 Ω version3.31 Ω
8 Ω version6.81 Ω
16 Ω version13.12 Ω
Voice Coil Diameter2 in.
Voice Coil FormerNomex
Voice Coil Inductance @ 1 kHZ (LE)4 Ω version0.45 mH
8 Ω version0.70 mH
16 Ω version1.16 mH
Voice Coil Winding Depth10.00 mm
Voice Coil Winding TypeCopper
Packaging Information
Packaging Dimensions13.3858 in. × 13.3858 in. × 7.874 in.
Weight (Packaging)5.7 lbs.

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Specifications, Files, and Documents

Sound Samples:

PDF: Specification Sheet Specification Sheet217.38 KB
PNG: Terminal Dimensions Terminal Dimensions21.21 KB

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Product Reviews

5.00 out of 5 based on 1 reviews
- February 12th, 2010
5 out of 5

This speaker sounds awesome no matter what I play! The gods of tone have issued forth a gift for every mortal guitarist. I don't have to channel my inner Hercules to lift my cab anymore, LOL.

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