Specification Sheet - 12" Tornado Stealth 100

12" - 100 W Jet Series Loudspeaker
General Characteristics
Nominal Overall Diameter 307 mm 12 in
Nominal Voice Coil Diameter 50 mm 2 in
Magnet Weight 200 g 7 oz
Overall Weight 2.2 kg 4.85 lbs
Flux Density 1.2 T
Voice Coil Winding Depth 10 mm 0.39 in
Magnetic Gap Depth 8 mm 0.31 in
Thiele-Small Parameters
16Ω
Voice Coil DC Resistance RE 6.81 13.12 Ω
Resonance Frequency ƒS 72 70 Hz
Mechanical Q Factor QMS 9.51 14.28
Total Q Factor QTS 0.52 0.7
Mechanical Moving Mass MMS 29.9 31.9 g
Mechanical Compliance CMS 163 163 µm/N
Force Factor BxL 12.93 15.72 Wb/m
Equivalent Acoustic Volume VAS 55.9 55.7 lt.
Maximum Linear Displacement XMAX ±1 ±1 mm
Reference Efficiency nO 2.82 2.45 %
Diaphragm Area SD 490.9 490.9 cm2
Losses Electrical Resistance RES 148.9 252.5 Ω
Voice Coil Inductance @ 1kHz LE 0.7 1.16 mH
Electrical Q Factor QES 0.55 0.74
Constructive Characteristics
Magnet Neodymium
Voice Coil Winding Copper
Voice Coil Former Nomex
Cone Material Paper
Surround Material Integrated Paper
Dust Dome Material Non-treated Cloth
Basket Material Pressed Sheet Steel
Surround Treatment Yes
Electrical Characteristics
16Ω
Nominal Impedance 8 16 Ω
Rated Power 100 100 W
Musical Power 200 200 W
Sensitivity@1W,1m 98.5 97 dB
Product Dimensions
JN12-100TRS angled view
JN12-100TRS bottom view
JN12-100TRS side view
JN12-100TRS top view