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Thunder3158 - Thunder3000, 15" 8 Ohm Subwoofer
- Black Foam Surround
- MTX Embossed Polypropylene Dustcap
- 2" Voice Coil on Black Kapton Former
Provides High Power Handling
- 33 oz Strontium Ferrite Magnet
For High Efficiency
- Asymmetrical Linear Drive System
Improves Linearity and Lowers Distortion
- Flat Progressive Spider
For Lower Distortion
- Extended Vented Pole Piece
Provides a more symmetrical magnetic field
| Free Air Resonance |
Fs |
23.6 Hz |
| Volume Acoustic Suspension |
Vas |
10.98 Ft^3 |
(311.0 l) |
| Total Q |
Qts |
.65 |
| Electrical Q |
Qes |
.69 |
| Mechanical Q |
Qms |
11.21 |
| DC Resistance |
Re |
6.51 Ohm |
| Linear Excursion (One Way) |
Xmax |
.37” |
(9.4 mm) |
| Effective Piston Diameter |
D |
13.000” |
(.3302 m) |
| RMS Power Handling |
RMS |
250 Watts |
| Total Power Handling |
Total |
500 Watts |
| Sensitivity 1W/1m |
SPLo |
90.4 dB |
| Reference Efficiency |
No |
0.56% |
| Frequency Response |
|
23 - 150Hz |
| Voice Coil Inductance |
Le |
4.0 mH |
| Gap Height |
|
.312” |
(7.9 mm) |
| Voice Coil Height |
|
.955” |
(24.3 mm) |
| Motor Force |
BL |
14.51 Tm |
| Compliance |
Cms |
.302 mm/N |
| Total Moving Mass |
Mms |
150.6 g |
| Moving Mass of Driver |
Mmd |
136.2 g |
| Suspension Losses |
Rms |
1.99 |
| Effective Surface Area |
Sd |
132.7 in^2 |
(.0856m^2) |
| Mounting Diameter |
|
13 13/16” |
(350.8 mm) |
| Overall Diameter |
|
15 3/16” |
(385.8 mm) |
| Mounting Depth |
|
6 5/8 ” |
(168.3 mm) |
| Overall Depth |
|
7 1/16” |
(179.4 mm) |
| Speaker Displacement (Inside Box) |
|
285in^2 |
(4.7 l) |
| Speaker Displacement (Outside Box) |
|
175in^2 |
(2.9 l) |
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