Eminence ALPHA 3: 3 inch Midrange / Full Range Driver

Original price was: $34.99.Current price is: $24.99.

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.
30 watts / 150-20kHz / .787″ voice coil
Available in 8, 16 or 32 ohms

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Description
Specifications
Description

Eminence ALPHA 3: 3 inch Midrange / Full Range Driver

Available in 8, 16 or 32 ohms

Price is for (1) one. Just change the quantity to order more.

* 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.

Click Here to Download 8 ohm PDF Spec Sheet
Click Here to Download 8 ohm PDF Cabinet Design

Click Here to Download 16 ohm PDF Spec Sheet
Click Here to Download 16 ohm PDF Cabinet Design

Click Here to Download 32 ohm PDF Spec Sheet
Click Here to Download 32 ohm PDF Cabinet Design

8 ohm Specification
Nominal Basket Diameter3″, 76 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power60 W
Watts30 W
Resonance118 Hz
Usable Frequency Range150 Hz – 20 kHz
Sensitivity*88.6 dB
Magnet Weight8 oz.
Gap Height0.1″, 2.5 mm
Voice Coil Diameter0.787″, 20 mm

Thiele & Small 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
Sealed0.85-1.42 liters / 0.03-0.05 cu.ft.
Vented1.42-1.98 liters / 0.05-0.07 cu.ft.
Driver Volume Displaced0.005 cu.ft. / 0.13 liters
Major Diameter3.98″, 101.1 mm
Flat to Flat Diameter3.24″, 82.3 mm
Baffle Hole Diameter3.04″, 77.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.16″, 4.1mm
Mounting Holes B.C.D.3.63″, 92.1mm
Depth1.76″, 44.6 mm
Net Weight0.9 lbs, 0.41 kg
Shipping Weight1.1 lbs, 0.5 kgs

Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented / Flux source cap
Basket MaterialsPressed steel
Cone CompositionPaper / Poly sandwich cone
Cone Edge CompositionPoly cone edge
Dust Cap CompositionPoly dust cap

 

Specifications
Weight2 lbs
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