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| Nominal Basket Diameter |
8", 203.2mm |
| Nominal Impedance* |
8 ohms |
| Power Rating |
|
 Watts |
125W |
| Music Program |
250W |
| Resonance |
73Hz |
| Usable Frequency Range |
58Hz-5kHz |
| Sensitivity*** |
94 |
| Magnet Weight |
20 oz. |
| Gap Height |
0.25", 6.35mm |
| Voice Coil Diameter |
1.5", 38.1mm |
| THIELE & SMALL PARAMETERS |
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| Resonant Frequency (fs) |
73Hz |
| DC Resistance (Re) |
5.3 |
| Coil Inductance (Le) |
0.44mH |
| Mechanical Q (Qms) |
4.6 |
| Electromagnetic Q (Qes) |
0.68 |
| Total Q (Qts) |
0.59 |
| Compliance Equivalent Volume (Vas) |
17.7 liters / 0.6 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
67cc |
| Mechanical Compliance of Suspension (Cms) |
0.28mm/N |
| BL Product (BL) |
7.8 T-M |
| Diaphram Mass inc. Airload (Mms) |
17 grams |
| Efficiency Bandwidth Product (EBP) |
107 |
| Maximum Linear Excursion (Xmax) |
3.2mm |
| Surface Area of Cone (Sd) |
210.0 cm2 |
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| Maximum Mechanical Limit (Xlim) |
7.1mm |
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| MOUNTING INFORMATION |
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| Recommended Enclosure |
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| Sealed |
5-7 liters/0.18-0.25 cu.ft. |
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| Vented |
16.7-25.5 liters/0.59-0.90 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 |
3.25", 83mm |
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| Net Weight |
4.3 lbs., 1.9 kg |
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| Shipping Weight |
5.1 lbs., 2.3 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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