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| Nominal Basket Diameter |
8", 203.2mm |
| Nominal Impedance* |
8 ohms |
| Power Rating |
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 Watts |
225W |
| Music Program |
450W |
| Resonance |
65Hz |
| Usable Frequency Range |
78Hz-4.5kHz |
| Sensitivity*** |
95.1 |
| Magnet Weight |
34 oz. |
| Gap Height |
0.312", 7.92mm |
| Voice Coil Diameter |
2", 50.8mm |
| THIELE & SMALL PARAMETERS |
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| Resonant Frequency (fs) |
65Hz |
| DC Resistance (Re) |
5.99 |
| Coil Inductance (Le) |
0.49mH |
| Mechanical Q (Qms) |
4.95 |
| Electromagnetic Q (Qes) |
0.42 |
| Total Q (Qts) |
0.38 |
| Compliance Equivalent Volume (Vas) |
23.3 liters / 0.82 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
63cc |
| Mechanical Compliance of Suspension (Cms) |
0.37mm/N |
| BL Product (BL) |
9.6 T-M |
| Diaphram Mass inc. Airload (Mms) |
16 grams |
| Efficiency Bandwidth Product (EBP) |
156 |
| Maximum Linear Excursion (Xmax) |
3.0mm |
| Surface Area of Cone (Sd) |
210.0 cm2 |
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| Maximum Mechanical Limit (Xlim) |
7.4mm |
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| MOUNTING INFORMATION |
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| Recommended Enclosure |
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| Sealed |
5.7-9.9 liters/0.2-0.35 cu.ft. |
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| Vented |
8.5-19 liters/0.3-0.67 cu.ft. |
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| Overall Diameter |
8.24", 209.2mm |
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| Baffle Hole Diameter |
7.13", 181mm |
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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 |
0.22", 5.5mm |
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| Mounting Holes B.C. D. |
7.75", 196.9mm |
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| Depth |
3.5", 89mm |
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| Net Weight |
6.6 lbs., 3 kg |
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| Shipping Weight |
7.4 lbs., 3.4 kg |
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| MATERIALS OF CONSTRUCTION |
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| Coil Construction |
Aluminum 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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