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Thunder5124 - Thunder5000, 12" 4 Ohm Subwoofer
- EPDM Gasket
- MTX Embossed Polypropylene Dustcap
- Gold Plated Terminals
- 2" Voice Coil on Black Kapton Former
Provides High Power Handling
- 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
- 33 oz Strontium Ferrite Magnet
For High Efficiency
| Free Air Resonance |
Fs |
27.1 Hz |
| Volume Acoustic Suspension |
Vas |
3.51 Ft^3 |
(99.4 l) |
| Total Q |
Qts |
.61 |
| Electrical Q |
Qes |
.64 |
| Mechanical Q |
Qms |
13.59 |
| DC Resistance |
Re |
3.21 Ohm |
| Linear Excursion (One Way) |
Xmax |
.37” |
(9.4 mm) |
| Effective Piston Diameter |
D |
10.200” |
(.2591 m) |
| RMS Power Handling |
RMS |
250 Watts |
| Total Power Handling |
Total |
500 Watts |
| Sensitivity 1W/1m |
SPLo |
87.6 dB |
| Reference Efficiency |
No |
0.29% |
| Frequency Response |
|
27 -150 Hz |
| Voice Coil Inductance |
Le |
2.5 mH |
| Gap Height |
|
.312” |
(7.9 mm) |
| Voice Coil Height |
|
.961” |
(24.4 mm) |
| Motor Force |
BL |
10.75 Tm |
| Compliance |
Cms |
.255 mm/N |
| Total Moving Mass |
Mms |
135.4 g |
| Moving Mass of Driver |
Mmd |
128.5 g |
| Suspension Losses |
Rms |
1.70 |
| Effective Surface Area |
Sd |
81.7 in^2 |
(.0527m^2) |
| Mounting Diameter |
|
11 ” |
(279.4 mm) |
| Overall Diameter |
|
12 7/16” |
(315.9 mm) |
| Mounting Depth |
|
5 11/16” |
(144.5 mm) |
| Overall Depth |
|
6 1/8 ” |
(155.6 mm) |
| Speaker Displacement (Inside Box) |
|
190in^2 |
(3.1 l) |
| Speaker Displacement (Outside Box) |
|
140in^2 |
(2.3 l) |
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