Eminence Alpha 4-4 Pair 4" MidBass

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Sale price$49.99 Regular price$74.99



Alpha 4-4  4 Ohm Pair

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We have distributed Eminence for 18 years.
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Nominal Basket Diameter 4", 102 mm
Nominal Impedance* 4 Ω
Power Rating*
Program Power 110 W
Watts 55 W
Resonance 120 Hz
Usable Frequency Range 105 Hz - 10 kHz
Sensitivity* 88 dB
Magnet Weight 10 oz.
Gap Height 0.14", 3.7 mm
Voice Coil Diameter 1", 25 mm
Resonant Frequency (fs) 120 Hz
DC Resistance (Re) 3.42 Ω
Coil Inductance (Le) 0.18m H
Mechanical Q (Qms) 6.41
Electromagnetic Q (Qes) 0.7
Total Q (Qts) 0.63
Compliance Equivalent Volume (Vas) 1.76 liters / 0.06 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 15 cc
Mechanical Compliance of Suspension (Cms) 0.38 mm/N
BL Product (BL) 4.12 T-M
Diaphragm Mass Inc. Airload (MMs) 5 grams
Efficiency Bandwidth Product (EBP) 172
Maximum Linear Excursion (Xmax) 2.6 mm
Surface Area of Cone (Sd) 57.7 cm2
Maximum Mechanical Limit (Xlim) 4.5 mm
Recommended Enclosure Volume
Sealed 1.84-4.53 liters / 0.07-0.16 cu.ft.
Vented 3.96-7.08 liters / 0.14-0.25 cu.ft.
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
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
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
Shipping Weight 1.9 lbs, 0.86 kgs
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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