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Eminence Alpha 2-8 2" 20W 8 Ohm Loudspeaker Driver

Product Code: EMIALPHA2A Brand: Eminence Model: Alpha 2
Eminence Alpha 2-8 2 inch 20W 8 Ohm Loudspeaker Driver
£13.00
£13.00 ex VAT
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2-3£12.80 ea.
4-7£12.61 ea.
8+£12.35 ea.
Usually available in <br>3-5 months
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Eminence Alpha 2-8 2" 20W 8 Ohm Loudspeaker Driver

New to the American Standard Series is the Alpha 2 full range driver. Ideal for tight fitting column and line array applications, the Alpha 2 features a 0.64” copper voice coil and 2.7 oz. ferrite magnet. With under spider venting and a flux source cap, this 8 ohm driver lets the heat out while containing the magnetic flux, which is critical for multi-unit designs packed tightly together. Rated at 30 watts program power, the Alpha 2 has a wide usable frequency range of 200 Hz – 20 kHz.

SPECIFICATION:

  • Nominal Basket Diameter 2", 51 mm
  • Nominal Impedance* 8 ohms Power Rating* Program Power 30 W Watts 20 W
  • Resonance 186 Hz
  • Usable Frequency Range 200 Hz - 20 kHz
  • Sensitivity* 83.8 dB
  • Magnet Weight 3 oz.
  • Gap Height 0.12", 3 mm
  • Voice Coil Diameter 0.64", 16 mm


THIELE & 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) 0.18 liters / 0.01 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd) 2.1 cc
  • Mechanical Compliance of Suspension (Cms) 0.84 mm/N
  • BL Product (BL) 2.64 T-M
  • Diaphragm Mass Inc. Airload (MMs) 1 grams
  • Efficiency Bandwidth Product (EBP) 198
  • Maximum Linear Excursion (Xmax) 1.7 mm
  • Surface Area of Cone (Sd) 12.4 cm2
  • Maximum Mechanical Limit (Xlim) 2.2 mm


MOUNTING INFORMATION:

  • Recommended Enclosure Volume Sealed N/a Vented N/a
  • Driver Volume Displaced 0.071 cu.ft. / 2 liters
  • Overall Diameter 2.13", 54.1 mm
  • Baffle Hole Diameter 2", 50.8 mm
  • Front Sealing Gasket Yes
  • Rear Sealing Gasket N/A
  • Mounting Holes Diameter 0.15", 3.8mm
  • Mounting Holes B.C.D. 2.36", 59.9mm
  • Depth 1.63", 41.4 mm
  • Net Weight 0.4 lbs, 0.18 kg
  • Shipping Weight 2 lbs, 0.91 kgs


MATERIALS OF CONSTRUCTION:

  • Coil Construction Copper voice coil
  • Coil Former Polyimide former
  • Magnet Composition
  • Core Details Solid / Flux source cap
  • Basket Materials Pressed steel basket
  • Cone Composition
  • Cone Edge Composition Paper/Poly Sandwich Cone
  • Dust Cap Composition Poly dust cap
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