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Thunder5812 - Thunder5000, 8" 12 Ohm Subwoofer
- EPDM Gasket
- MTX Embossed Polypropylene Dustcap
- Gold Plated Terminals
- 1.5" 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
- 28 oz Strontium Ferrite Magnet
For High Efficiency
| Free Air Resonance |
Fs |
43.5 Hz |
| Volume Acoustic Suspension |
Vas |
.56 Ft^3 |
(15.9 l) |
| Total Q |
Qts |
.40 |
| Electrical Q |
Qes |
.42 |
| Mechanical Q |
Qms |
10.72 |
| DC Resistance |
Re |
9.52 Ohm |
| Linear Excursion (One Way) |
Xmax |
.37” |
(9.4 mm) |
| Effective Piston Diameter |
D |
6.500” |
(.1651 m) |
| RMS Power Handling |
RMS |
150 Watts |
| Total Power Handling |
Total |
350 Watts |
| Sensitivity 1W/1m |
SPLo |
87.7 dB |
| Reference Efficiency |
No |
0.30% |
| Frequency Response |
|
43 - 200 Hz |
| Voice Coil Inductance |
Le |
4.3 mH |
| Gap Height |
|
.312” |
(7.9 mm) |
| Voice Coil Height |
|
.948” |
(24.1 mm) |
| Motor Force |
BL |
18.35 Tm |
| Compliance |
Cms |
.246 mm/N |
| Total Moving Mass |
Mms |
54.3 g |
| Moving Mass of Driver |
Mmd |
52.5 g |
| Suspension Losses |
Rms |
1.39 |
| Effective Surface Area |
Sd |
33.2 in^2 |
(.0214m^2) |
| Mounting Diameter |
|
7 1/16” |
(179.4 mm) |
| Overall Diameter |
|
8 7/16” |
(214.3 mm) |
| Mounting Depth |
|
3 3/4 ” |
(95.3 mm) |
| Overall Depth |
|
4 1/8 ” |
(104.8 mm) |
| Speaker Displacement (Inside Box) |
|
85in^2 |
(1.4 l) |
| Speaker Displacement (Outside Box) |
|
65in^2 |
(1.1 l) |
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