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Eminence Alpha 3 - 8 ohm - Fullrange

Eminence Alpha 3 - 8 ohm - Fullrange
SKU
587-008
Ship weight
2.00 kg
Priced per
each
UPC:
876358003877
Stock Status:
New!
Impedance:
8 ohm
Diameter:
3"
Specifications Sheet:
Cabinet Design:
  • Details
  • Additional Information

A truly versatile compact full-range driver perfectly suited for tight fitting pro audio line array and column array applications. An 8.3 oz ferrite magnet used in conjunction with an internal neodymium bucking magnet increases the sensitivity and extends the response out to 20kHz. The highly pressed cone sandwiches paper with a layer of water-resistant polypropylene for increased stiffness and lower distortion.

Specifications

Nominal Basket Diameter 3", 76 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 60 W
Watts 30 W
Resonance 118 Hz
Usable Frequency Range 150 Hz - 20 kHz
Sensitivity* 88.6 dB
Magnet Weight 8 oz.
Gap Height 0.1", 2.5 mm
Voice Coil Diameter 0.787", 20 mm

T/S Parameters

Resonant Frequency (fs) 118 Hz
DC Resistance (Re) 5.12 Ω
Coil Inductance (Le) 0.11m H
Mechanical Q (Qms) 7.94
Electromagnetic Q (Qes) 0.53
Total Q (Qts) 0.5
Compliance Equivalent Volume (Vas) 0.95 liters / 0.03 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 6.9 cc
Mechanical Compliance of Suspension (Cms) 0.84 mm/N
BL Product (BL) 3.93 T-M
Diaphragm Mass Inc. Airload (MMs) 2 grams
Efficiency Bandwidth Product (EBP) 220
Maximum Linear Excursion (Xmax) 2.4 mm
Surface Area of Cone (Sd) 28.6 cm2
Maximum Mechanical Limit (Xlim) 4 mm

Mounting Information

Recommended Enclosure Volume
Sealed 0.85-1.42 liters / 0.03-0.05 cu.ft.
Vented 1.42-1.98 liters / 0.05-0.07 cu.ft.
Driver Volume Displaced 0.005 cu.ft. / 0.13 liters
Major Diameter 3.98", 101.1 mm
Flat to Flat Diameter 3.24", 82.3 mm
Baffle Hole Diameter 3.04", 77.2 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.16", 4.1mm
Mounting Holes B.C.D. 3.63", 92.1mm
Depth 1.76", 44.6 mm
Net Weight 0.9 lbs, 0.41 kg
Shipping Weight 1.1 lbs, 0.5 kgs

Construction

Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented / Flux source cap
Basket Materials Pressed steel
Cone Composition Paper / Poly sandwich cone
Cone Edge Composition Poly cone edge
Dust Cap Composition Poly dust cap

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