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About This Listing
Eminence Alpha 4 Speaker (55 Watts, 4") The Eminence Alpha 4 is a very versatile 110 watt driver that can be used full range, as a mid-bass or as a midrange. It 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 MI applications.
Specs: - Nominal Basket Diameter: 4", 102 mm - Nominal Impedance: 4 ohms or 8 ohms - 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
SOLD IN PAIRS
zZounds is an authorized dealer of Eminence products.