Item #: EMI ALPHA48 LIST

Eminence Alpha Series 4 Inch Speaker 55 Watts 8 Ohms Pair

Order Eminence Alpha Series 4 Inch Speaker 55 Watts 8 Ohms Pair from American Musical Supply. We offer fast free 2 day shipping, & 45 day guarantee.
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Product Description

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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Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years

Product Specifications

Eminence 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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