3 inch Eminence American Standard Series Replacement Speaker Eminence Speaker Basket
3 inch Eminence American Standard Series Replacement Speaker Eminence Speaker Frequency Response
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ALPHA 3-32 3" American Standard Series Speaker

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The Eminence Alpha 3-32 is a versatile, compact, full-range driver perfectly suited for tight-fitting pro audio line array and column array applications. With a program power rating of 70 watts, this 3" driver utilizes an 8.3 oz ferrite magnet with an internal neodymium bucking magnet for increased sensitivity and extends the response to 20kHz. The highly pressed cone sandwiches paper with a layer of water-resistant polypropylene for increased stiffness and lower distortion.

Applications 

Full Range Line Array | Pro Audio | Car Audio | Bass Guitar | Soundbars | Satellite System

Box Type: Sealed | Vented

Specifications

Download Spec Sheet      Download Cab Design
SPECIFICATION
Nominal Basket Diameter 3", 0 mm
Nominal Impedance* 32 Ω
Power Rating*
Program Power 70 W
Watts 35 W
Resonance 117 Hz
Usable Frequency Range 150 Hz - 20 kHz
Sensitivity* 88 dB
Magnet Weight 8 oz.
Gap Height 0.08", 2 mm
Voice Coil Diameter 0.787", 20 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 117 Hz
DC Resistance (Re) 22.43 Ω
Coil Inductance (Le) 0.23m H
Mechanical Q (Qms) 5.87
Electromagnetic Q (Qes) 0.85
Total Q (Qts) 0.74
Compliance Equivalent Volume (Vas) 0.98 liters / 0.03 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 7.4 cc
Mechanical Compliance of Suspension (Cms) 0.86 mm/N
BL Product (BL) 6.46 T-M
Diaphragm Mass Inc. Airload (MMs) 2 grams
Efficiency Bandwidth Product (EBP) 138
Maximum Linear Excursion (Xmax) 2.6 mm
Surface Area of Cone (Sd) 28.6 cm2
Maximum Mechanical Limit (Xlim) 4 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 0 cu.ft. / 0.01 liters
Overall Diameter 3.98", 101.1 mm
Baffle Hole Diameter 3.04", 77.2 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.16", 4.1mm
Mounting Holes B.C.D. 3.63", 92.2mm
Depth 1.76", 44.7 mm
Net Weight 0.9 lbs, 0.41 kg
Shipping Weight 1.1 lbs, 0.5 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented / Flux source cap
   
Basket Materials Pressed steel basket
Cone Composition Paper/Poly sandwich cone
Cone Edge Composition Poly cone edge
Dust Cap Composition Poly dust cap


Frequency Response

response graph