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| Nominal Basket Diameter |
12", 304.8mm |
| Nominal Impedance* |
8 ohms |
| Power Rating |
|
 Watts |
225W |
| Music Program |
450W |
| Resonance |
45Hz |
| Usable Frequency Range |
48Hz-8kHz |
| Sensitivity*** |
97.7 |
| Magnet Weight |
38 oz. |
| Gap Height |
0.312", 7.92mm |
| Voice Coil Diameter |
2", 50.8mm |
| THIELE & SMALL PARAMETERS |
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| Resonant Frequency (fs) |
45Hz |
| DC Resistance (Re) |
7.37 |
| Coil Inductance (Le) |
0.83mH |
| Mechanical Q (Qms) |
6.44 |
| Electromagnetic Q (Qes) |
0.55 |
| Total Q (Qts) |
0.51 |
| Compliance Equivalent Volume (Vas) |
136.3 liters / 4.8 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
170cc |
| Mechanical Compliance of Suspension (Cms) |
0.34mm/N |
| BL Product (BL) |
11.7 T-M |
| Diaphram Mass inc. Airload (Mms) |
36 grams |
| Efficiency Bandwidth Product (EBP) |
82 |
| Maximum Linear Excursion (Xmax) |
3.2mm |
| Surface Area of Cone (Sd) |
532.4 cm2 |
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| Maximum Mechanical Limit (Xlim) |
8.0mm |
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| MOUNTING INFORMATION |
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| Recommended Enclosure |
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| Sealed |
14-51 liters/0.5-1.8 cu.ft. |
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| Vented |
56.6-116 liters/2-4.1 cu.ft. |
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| Overall Diameter |
12.03", 305.5mm |
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| Baffle Hole Diameter |
10.95", 278.1mm |
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| Front Sealing Gasket |
fitted as standard |
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| Rear Sealing Gasket |
fitted as standard |
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| Mounting Holes Diameter |
0.25", 6.4mm |
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| Mounting Holes B.C. D. |
11.59", 294.3mm |
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| Depth |
4.47", 114mm |
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| Net Weight |
8.1 lbs., 3.7 kg |
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| Shipping Weight |
10.2 lbs., 4.6 kg |
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| MATERIALS OF CONSTRUCTION |
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| Coil Construction |
Copper voice coil |
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| Coil Former |
Polyimide former |
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| Magnet Composition |
Ferrite magnet |
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| Core Details |
Vented core |
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| Basket Materials |
Pressed steel basket |
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| Cone Composition |
Paper Cone |
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| Cone Edge Composition |
Cloth cone edge |
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| Dustcap Composition |
Solid composition paper dust cap |
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