Eminence Alpha 2 American Standard Series Full Range Driver Set - 2" / 8 Ohms - (4-Pack)

BH #EMALPHA28 • MFR #ALPHA 2-8
Eminence
Eminence Alpha 2 American Standard Series Full Range Driver Set - 2" / 8 Ohms - (4-Pack)
Key Features
  • Four 2" Drivers
  • Each Driver Rated at 8 Ohms
  • Program Power: 30W
  • Frequency Range: 200 Hz to 20 kHz
Designed for tight fitting column and line array applications, the Eminence Alpha 2 American Standard Series Full Range Driver Set includes four 2" drivers, each with 0.64" copper voice coils and 2.7 oz ferrite magnets. With under spider venting and a flux source cap, these 8-Ohm drivers let the heat out while containing the magnetic flux, which is critical for multi-unit designs packed tightly together. The Alpha 2 is rated at 30W program power and features a wide frequency range of 200 Hz to 20 kHz.
Special Order
Expected availability: 7-10 business days
$44.99

Important Notice

  • This item is noncancelable and nonreturnable.

Eminence Alpha 2 American Standard Series Full Range Driver Set - 2" / 8 Ohms - (4-Pack)

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Eminence ALPHA 2-8 Overview

  • 1Description
  • 2Thiele and Small Parameters
  • 3Thiele and Small Parameters
  • 4Material of Construction

Designed for tight fitting column and line array applications, the Eminence Alpha 2 American Standard Series Full Range Driver Set includes four 2" drivers, each with 0.64" copper voice coils and 2.7 oz ferrite magnets. With under spider venting and a flux source cap, these 8-Ohm drivers let the heat out while containing the magnetic flux, which is critical for multi-unit designs packed tightly together. The Alpha 2 is rated at 30W program power and features a wide frequency range of 200 Hz to 20 kHz.

Thiele and Small Parameters

  • Resonant Frequency (fs): 186 Hz
  • DC Resistance (Re): 6.4 Ohms
  • Coil Inductance (Le): 0.13m H
  • Mechanical Q (Qms): 3.06
  • Electromagnetic Q (Qes): 0.94
  • Total Q (Qts): 0.72
  • Compliance Equivalent Volume (Vas): 0.01 ft3 / 0.18 liters
  • Peak Diaphragm Displacement Volume (Vd) 2.1cc
  • Mechanical Compliance of Suspension (Cms): 0.84mm/N
  • BL Product (BL): 2.64 T-M
  • Diaphragm Mass Inc. Airload (MMs): 1 g
  • Efficiency Bandwidth Product (EBP): 198
  • Maximum Linear Excursion (Xmax): 1.7mm
  • Surface Area of Cone (Sd): 12.37 cm2
  • Maximum Mechanical Limit (Xlim): 2.2mm

Thiele and Small Parameters

  • Recommended Enclosure Volume
    • Sealed: 0.42-0.54 liters / 0.015-0.019 cu.ft.
    • Vented: 0.37-0.57 liters / 0.013-0.02 cu.ft.
    • Driver Volume Displaced: 0.001 cu.ft. / 0.03 liters
    • Major Diameter: 2.75" / 69.9mm
    • Flat to Flat Diameter: 2.13" / 54mm
    • Baffle Hole Diameter: 2" / 50.8mm
    • Front Sealing Gasket: Yes
    • Rear Sealing Gasket: N/A
    • Mounting Holes Diameter: 0.15" / 3.81mm
    • Mounting Holes (B.C.D.): 2.36" / 59.94mm
    • Depth: 1.63" / 41.4mm
    • Net Weight: 0.4 lb / 0.18 kg

Material of Construction

  • Coil Construction: Copper
  • Coil Former: Polyimide
  • Magnet Composition: Ferrite
  • Core Details: Solid with flux source cap
  • Basket Materials: Pressed Steel
  • Cone Composition: Paper/Poly Sandwich
  • Cone Edge Composition: Cloth
  • Dust Cap Composition: Poly
UPC: 876358004034

Eminence ALPHA 2-8 Specs

Nominal Basket Diameter2.0" / 51.0 mm
Nominal Impedance8 Ohms
Power RatingProgram Power: 30 W
Watts: 20 W
Resonance186 Hz
Usable Frequency Range200 Hz to 20 kHz
Sensitivity83.8 dB
Gap Height0.1" / 3.1 mm
Voice Coil Diameter0.6" / 16.0 mm
Weight0.4 lb / 0.2 kg
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