12" Tornado Stealth 80

16Ω

General Characteristics for 8Ω

Nominal Overall Diameter
307 mm
12 in
Nominal Voice Coil Diameter
50 mm
2 in
Magnet Weight
246 g
9 oz
Overall Weight
2.2 kg
4.85 lbs
Flux Density
1.3 T
Voice Coil Winding Depth
10 mm
0.39 in
Magnetic Gap Depth
8 mm
0.31 in

Thiele-Small Parameters for 8Ω

Voice Coil DC Resistance
RE
6.38 Ω
Resonance Frequency
ƒS
71.7 Hz
Mechanical Q Factor
QMS
12.54
Total Q Factor
QTS
0.55
Mechanical Moving Mass
MMS
29.8 g
Mechanical Compliance
CMS
166 µm/N
Force Factor
BxL
12.16 Wb/m
Equivalent Acoustic Volume
VAS
56.5 lt.
Diaphragm Area
SD
490.9 cm2
Voice Coil Inductance @ 1kHz
LE
0.43 mH

Constructive Characteristics for 8Ω

Magnet
Neodymium
Voice Coil Winding
Aluminum
Voice Coil Former
Kapton
Cone Material
Paper
Surround Material
Integrated Paper
Dust Dome Material
Non-treated Cloth
Basket Material
Pressed Sheet Steel
Surround Treatment
Yes

Electrical Characteristics for 8Ω

Nominal Impedance
8 Ω
Rated Power
80 W
Musical Power
160 W
Sensitivity@1W,1m
98.6 dB

General Characteristics for 16Ω

Nominal Overall Diameter
307 mm
12 in
Nominal Voice Coil Diameter
50 mm
2 in
Magnet Weight
246 g
9 oz
Overall Weight
2.2 kg
4.85 lbs
Flux Density
1.3 T
Voice Coil Winding Depth
10 mm
0.39 in
Magnetic Gap Depth
8 mm
0.31 in

Thiele-Small Parameters for 16Ω

Voice Coil DC Resistance
RE
12.18 Ω
Resonance Frequency
ƒS
72 Hz
Mechanical Q Factor
QMS
9.08
Total Q Factor
QTS
0.66
Mechanical Moving Mass
MMS
27.1 g
Mechanical Compliance
CMS
180 µm/N
Force Factor
BxL
14.48 Wb/m
Equivalent Acoustic Volume
VAS
61.4 lt.
Diaphragm Area
SD
490.9 cm2
Voice Coil Inductance @ 1kHz
LE
0.74 mH

Constructive Characteristics for 16Ω

Magnet
Neodymium
Voice Coil Winding
Aluminum
Voice Coil Former
Kapton
Cone Material
Paper
Surround Material
Integrated Paper
Dust Dome Material
Non-treated Cloth
Basket Material
Pressed Sheet Steel
Surround Treatment
Yes

Electrical Characteristics for 16Ω

Nominal Impedance
16 Ω
Rated Power
80 W
Musical Power
160 W
Sensitivity@1W,1m
98.3 dB
JN12-80TRS
12",
80 watts
Ohms
16Ω

The Tornado Stealth 80 is equipped with a cool bell cover and is well balanced from low to high end with powerful lows, firm mids and sparkling highs. A very efficient and authoritative speaker, when presented with overdrive distortion, the Stealth 80 remains smooth with detailed note definition.

Lows
Tight/Deep
Mids
Firm
Highs
Bright
Overdrive
Smooth
Guitarist Description
Well balanced from low to high end with firm mids and sparkling highs. When presented with overdrive distortion, remains smooth with detailed note definition.
Specification Sheet
Product Dimensions
Frequency Response Charts
16Ω
User Reviews

I ended up buying the Tornado Stealth 80 to go in my Bolt 30 watt tube combo.

Next to my Bolt 60 with the Tornado 100, these amps which otherwise sound identical, sound very different with these pictures. The Tornado Stealth 80 is very tight in the low end as advertised, and possibly a bit aggressive (I'm not big on metaphor when talking about sound), while the Tornado 100 is "rounder" and has more even-frequencies all around. Of course, the Tornado 80 is brand new and so I suspect it will take a few months to really hear what the speaker will end up sounding like, but for now I'm mostly satisfied.

Daniel
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