Eminence ALPHA 2-8 Driver 4 PACK

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Sale price$49.99 Regular price$89.99

Description

Eminence ALPHA 2-8 Driver. 4 PACK! AUTHORIZED DISTRIBUTOR!! LOW 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

 

 

 

 

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