Eminence Alpha 5 - 8 ohm 5" 125W Line Array Midbass Speaker

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SKU: 587-014

Canadian Dollar Price:
Sale price$79.00 Regular price$97.99
In stock (6 units)


The Alpha 5 offers unmistakable performance with an emphasis on value. Rated at 250 watts program power, this 5 inch midbass features a water-resistant cone and dust cap, making it an excellent choice for line array or column array applications.

Manufacturer Spec Sheet

Example Cabinet Designs

Speaker Detail
Nominal Basket Diameter 5", 127 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 250 W
Watts 125 W
Resonance 87 Hz
Usable Frequency Range 87 Hz - 3.5 kHz
Sensitivity* 89.4 dB
Magnet Weight 20 oz.
Gap Height 0.23", 5.84 mm
Voice Coil Diameter 1.5", 38 mm
Thiele & Small Parameters
Resonant Frequency (fs) 87 Hz
DC Resistance (Re) 5 Ω
Coil Inductance (Le) 0.29m H
Mechanical Q (Qms) 11.81
Electromagnetic Q (Qes) 0.56
Total Q (Qts) 0.54
Compliance Equivalent Volume (Vas) 6.14 liters / 0.22 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 60.75 cc
Mechanical Compliance of Suspension (Cms) 0.42 mm/N
BL Product (BL) 6.22 T-M
Diaphragm Mass Inc. Airload (MMs) 8 grams
Efficiency Bandwidth Product (EBP) 155
Maximum Linear Excursion (Xmax) 5.9 mm
Surface Area of Cone (Sd) 102.6 cm2
Maximum Mechanical Limit (Xlim) 6.4 mm
Mounting Information
Recommended Enclosure Volume
Sealed 3.4-7.93 liters / 0.12-0.28 cu.ft.
Vented 6.8-14.16 liters / 0.24-0.5 cu.ft.
Driver Volume Displaced 0.018 cu.ft. / 0.51 liters
Major Diameter 5.87", 149.1 mm
Flat to Flat Diameter 5.27", 133.9 mm
Baffle Hole Diameter 4.8", 121.9 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.18", 5mm
Mounting Holes B.C.D. 5.39", 136.9mm
Depth 2.91", 73.9 mm
Net Weight 3.1 lbs, 1.41 kg
Shipping Weight 3.5 lbs, 1.59 kgs
Materials of Construction
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
Basket Materials Pressed steel basket
Cone Composition Water resistant cone pulp
Cone Edge Composition Cloth cone edge
Dust Cap Composition Water resistant treated paper dust cap

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