Eminence ALPHA 4-8 4" Full Range, Midbass, Midrange 8-Ohm Pro Audio Speaker Pair
Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, the Alpha 4 is a very versatile 110 watt driver that can be used full range, as a midbass, or as a midrange. They can be stacked by themselves in a column for vocal applications, or in conjunction with a tweeter and a sub for compact, high performance PA or MI applications.
Specification | |
Nominal Basket Diameter |
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Nominal Impedance* |
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Power Rating* | |
Program Power |
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Watts |
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Resonance |
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Usable Frequency Range |
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Sensitivity* |
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Magnet Weight |
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Gap Height |
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Voice Coil Diameter |
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Thiele & Small Parameters | |
Resonant Frequency (fs) |
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DC Resistance (Re) |
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Coil Inductance (Le) |
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Mechanical Q (Qms) |
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Electromagnetic Q (Qes) |
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Total Q (Qts) |
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Compliance Equivalent Volume (Vas) |
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Peak Diaphragm Displacement Volume (Vd) |
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Mechanical Compliance of Suspension (Cms) |
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BL Product (BL) |
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Diaphragm Mass Inc. Airload (MMs) |
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Efficiency Bandwidth Product (EBP) |
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Maximum Linear Excursion (Xmax) |
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Surface Area of Cone (Sd) |
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Maximum Mechanical Limit (Xlim) |
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Mounting Information | |
Recommended Enclosure Volume | |
Sealed |
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Vented |
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Driver Volume Displaced |
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Overall Diameter |
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Baffle Hole Diameter |
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Front Sealing Gasket |
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Rear Sealing Gasket |
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Mounting Holes Diameter |
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Mounting Holes B.C.D. |
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Depth |
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Net Weight |
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Shipping Weight |
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Materials of Construction | |
Coil Construction |
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Coil Former |
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Magnet Composition |
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Core Details |
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Basket Materials |
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Cone Composition |
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Cone Edge Composition |
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Dust Cap Composition |
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