Up for auction is a pair of Quantum Audio 8″ Subwoofers. Want a lot of bass without taking up a bunch of trunk space? This is the auction for you!! Good Luck and Happy Bidding!!
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
Additional information
Weight
26.5 lbs
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