Eminence ALPHA 2-8 Driver AUTHORIZED DISTRIBUTOR!! FREE SHIP!

Regular price $44.99 Sale

Eminence ALPHA 2-8 Driver AUTHORIZED DISTRIBUTOR!! FREE SHIP!
8 Ohm
 
BRAND NEW, UNOPENED

Box of 4

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.

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SPECIFICATION

Nominal Basket Diameter   2", 51 mm

Nominal Impedance* 8 Ω

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", 3.1 mm

Voice Coil Diameter 0.64", 16 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)   186 Hz

DC Resistance (Re)   6.4 Ω

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) 12.37 cm2

Maximum Mechanical Limit (Xlim)  2.2 mm

MOUNTING INFORMATION

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", 69.9 mm

Flat to Flat Diameter        2.13", 54 mm

Baffle Hole Diameter         2", 50.8 mm

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", 41.4 mm

Net Weight    0.4 lbs, 0.18 kg

Shipping Weight        2 lbs, 0.91 kgs

MATERIALS 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