Description
The engineers at Quantum Audio have designed this subwoofer from the ground up to shake the ground up. The foam surround along with the die-cast aluminum vented basket allow for maximum excursion while the protective magnet cover gives the woofer a rugged yet stylish appearance.
FEATURES
- 2.5″ / 63.5mm 4 Layer Aluminum 4 Ohm DVC
- Heavy Gauge Stamped Steel Basket
- High Temperature Voice Coil
- QEMT Aluminum Voice Coil Former
- High-Excursion Foam Surround
- Compressed Paper Cone
- Injection Molded PP Dust Cap
- Proprietary Full Round PVC Gasket
- Heavy Gauge Spring Terminal
PHYSICAL STRUCTURE
Outside Diameter (A) |
?8.43″ (214mm) |
Cutout Diameter (B) |
7.17″ (182mm) |
Mounting Depth (C) |
4.88″ (124mm) |
GENERAL SPECIFICATIONS |
Structure |
8″ (20cm) Woofer |
Dynamic Power Handling |
3000 Watts |
Nominal Power Handling |
1000 Watts |
Impedance |
Dual 4Ω Voice Coil |
PARAMETERS |
Resonant Frequency (fs) |
40.731Hz |
D.C. Voice Coil Resistance (Re) |
6.4Ω |
Mechanical Quality Factor (Qms) |
4.149 |
Electrical Quality Factor (Qes) |
0.585 |
Total Quality Factor (Qts) |
0.513 |
|
|
Mass of Diaphragm/Coil (Mms) |
133.306 g |
Force Factor (Bl) |
19.316 |
Sound Pressure Level (SPL) |
81.1dB |
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