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Eminence Alpha Series 4 Inch Speaker 55 Watts 8 Ohms Pair

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EMIALPHA48

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    The Eminence Alpha 4 speaker is a very versatile driver that is rated for 110-watts of program power, making it ideal for full range, as a mid-bass or as a strict midrange. This 8-ohm version is perfectly suited for line arrays, car doors and side panels and other tight fitting applications. 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 instrument applications.

    The Eminence Alpha 4 speakers are sold as a pair!

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    Eminence Alpha Series 4 Inch Speaker 55 Watts 8 Ohms Pair Specifications

    Eminence Alpha Series 4 Inch Speaker 55 Watts 8 Ohms Pair Specifications
    Product SpecificationsEminence Alpha Series 4" Speaker Specifications
    • Nominal Basket Diameter: 4", 102 mm
    • Nominal Impedance: 8 O
    • Program Power: 110 W
    • Watts: 55 W
    • Resonance: 123 Hz
    • Usable Frequency Range: 105 Hz - 12 kHz
    • Sensitivity: 88 dB
    • Magnet Weight: 10 oz.
    • Gap Height: 0.14", 3.7 mm
    • Voice Coil Diameter: 1", 25 mm
    • Resonant Frequency (fs): 123 Hz
    • DC Resistance (Re): 6.73 O
    • Coil Inductance (Le): 0.28m H
    • Mechanical Q (Qms): 6.83
    • Electromagnetic Q (Qes): 0.84
    • Total Q (Qts): 0.75
    • Compliance Equivalent Volume (Vas): 1.94 liters / 0.07 cu.ft.
    • Peak Diaphragm Displacement Volume (Vd): 15 cc
    • Mechanical Compliance of Suspension (Cms): 0.42 mm/N
    • BL Product (BL): 4.94 T-M
    • Diaphragm Mass Inc. Airload (MMs): 4 grams
    • Efficiency Bandwidth Product (EBP): 146
    • Maximum Linear Excursion (Xmax): 2.6 mm
    • Surface Area of Cone (Sd): 57.7 cm2
    • Maximum Mechanical Limit (Xlim): 4.5 mm
    • Driver Volume Displaced: 0.012 cu.ft. / 0.33 liters
    • Overall Diameter: 4.57", 116.1 mm
    • Baffle Hole Diameter: 3.77", 95.8 mm
    • Mounting Holes Diameter: 0.15", 3.8mm
    • Mounting Holes B.C.D.: 4.25", 108mm
    • Depth: 2.31", 58.7 mm
    • Net Weight: 1.5 lbs, 0.68 kg
    • Coil Construction: Copper voice coil
    • Coil Former: Polyimide former
    • Magnet Composition: Ferrite magnet
    • Core Details: Non-Vented core
    • Basket Materials: Pressed steel basket
    • Cone Composition: Paper cone
    • Cone Edge Composition: Cloth cone edge
    • Dust Cap Composition: Solid composition paper dust cap
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