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Eminence Alpha 3-32 3" Full-Range Speaker 32 Ohm

Eminence SpeakerPart # 290-4018
Model: Alpha 3-32
The Alpha 3-32 from Eminence Loudspeakers will allow you to pack big performance into small spaces. Perfectly suited for portable speaker systems, column, and line array applications this is a truly versatile full range driver.

Key Features

  • True full range response with useful output up to 20,000 Hz
  • 32 ohm impedance is ideal for series-parallel wiring in multiple driver systems
  • Unique internal neodymium magnet improves efficiency and high frequency response
  • Impressive efficiency for a driver this small
  • Poly coated paper cone produces smooth response and resists water
Your Price: $24.99
MSRP: $49.99
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Overview

Eminence Alpha 3-32 3" Full-Range Speaker 32 Ohm

Eminence's Alpha 3-32 3" is a 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. With such high efficiency and wide frequency response this driver would also be an excellent choice for small portable speaker systems.

Product Details

BrandEminence Speaker
ModelAlpha 3-32
Part Number290-4018
UPC876358003969
Unit of MeasureEach
Weight1.1

Product Specifications

Nominal Diameter3"
Bolt Circle Diameter0.16
Power Handling (RMS)30 Watts
Power Handling (MAX)60 Watts
Impedance32Ω
Frequency Response150 to 20,000Hz
Sensitivity88.2dB 2.83V/1m
Voice Coil Diameter0.79"

Thiele-Small Parameters

Resonant Frequency (Fs)117Hz
DC Resistance (Re)22.4Ω
Voice Coil Inductance (Le)0.23mH
Mechanical Q (Qms)5.87
Electromagnetic Q (Qes)0.85
Total Q (Qts)0.74
Compliance Equivalent Volume (Vas)0.04ft³
Mechanical Compliance of Suspension (Cms)0.86mm/N
BL Product (BL)6.46T·m
Diaphragm Mass Inc. Airload (Mms)2g
Maximum Linear Excursion (Xmax)2.6mm
Surface Area of Cone (Sd)28.6cm²

Materials of Construction

Cone MaterialPoly Composite
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter3.98"
Baffle Cutout Diameter3.04"
Depth1.76"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.05ft³
Sealed F3150Hz
Vented Volume0.15ft³
Vented F370Hz

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