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Eminence Speakers Alpha 3-8 3" 30W Full-Range Speaker Driver, 8 Ohm

SKU: EMALPHA38 MFR: ALPHA3-8
$24.99
$49.99
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Key Features

  • Experience full-range audio with the Eminence Alpha 3-8 speaker driver, perfect for custom builds.
  • This 3" 8-Ohm speaker delivers 30W of power, ideal for studio monitors and compact sound systems.
  • Achieve clear sound reproduction with a frequency range of 150 Hz - 20 kHz in your audio projects.
  • The paper/poly sandwich cone ensures durability and optimal sound quality for lasting performance.
  • Benefit from the Alpha 3-8's versatile design, fitting sealed or vented enclosures for flexibility.
  • Upgrade your sound with this Eminence speaker, featuring a vented core for enhanced audio clarity.
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Eminence Speakers ALPHA 3 Specifications

General

General

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  • Nominal Basket Diameter

    3" (76mm)

  • Nominal Impedance

    8 Ohm

  • Power Rating

    Program Power: 60W
    Watts: 30W

  • Resonance

    118 Hz

  • Usable Frequency Range

    150 Hz - 20 kHz

  • Sensitivity

    88.6 dB

  • Magnet Weight

    8.3 oz (226g)

  • Gap Height

    0.1" (2.5mm)

  • Voice Coil Diameter

    0.787" (20mm)

Thiele & Small Parameters

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  • Resonant Frequency (fs)

    118 Hz

  • DC Resistance (Re)

    5.12 Ohm

  • Coil Inductance (Le)

    0.11mH

  • Mechanical Q (Qms)

    7.94

  • Electromagnetic Q (Qes)

    0.53

  • Total Q (Qts)

    0.5

  • Compliance Equivalent Volume (Vas)

    0.95L (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)

    0.07 oz (2g)

  • Efficiency Bandwidth Product (EBP)

    220

  • Maximum Linear Excursion (Xmax)

    0.09" (2.4mm)

  • Surface Area of Cone (Sd)

    0.03 sq ft (28.6 sq cm)

  • Maximum Mechanical Limit (Xlim)

    0.15" (4mm)

Mounting Information

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  • Recommended Enclosure Volume

    Sealed: 0.85-1.42L (0.03-0.05 cu ft)
    Vented: 1.42-1.98L (0.05-0.07 cu ft)

  • Driver Volume Displaced

    0.13L (0.005 cu ft)

  • Overall Diameter

    3.98" (101.1mm)

  • Baffle Hole Diameter

    3.04" (77.2mm)

  • Front Sealing Gasket

    Yes

  • Rear Sealing Gasket

    Yes

  • Mounting Holes Diameter

    0.16" (4.1mm)

  • Mounting Holes B.C.D.

    3.63" (92.1mm)

  • Depth

    1.76" (44.6mm)

  • Net Weight

    0.9 lb (0.41kg)

Materials of Construction

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  • 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

  • UPC Code

    876358003877

About Eminence Speakers ALPHA 3

The Eminence Alpha 3-8 is a truly versatile compact full-range driver perfectly suited for tight fitting pro audio line array and column array applications. With a program power rating of 60 watts, this 3" driver utilizes an 8.3 oz ferrite magnet in conjunction with an internal neodymium bucking magnet for increased 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.

Eminence Speakers ALPHA 3 Features

  • True full range response with useful output up to 20,000 Hz
  • Unique internal neodymium magnet improves efficiency and high frequency response
  • Impressive efficiency for a driver this small

Key Features

  • Experience full-range audio with the Eminence Alpha 3-8 speaker driver, perfect for custom builds.
  • This 3" 8-Ohm speaker delivers 30W of power, ideal for studio monitors and compact sound systems.
  • Achieve clear sound reproduction with a frequency range of 150 Hz - 20 kHz in your audio projects.
  • The paper/poly sandwich cone ensures durability and optimal sound quality for lasting performance.
  • Benefit from the Alpha 3-8's versatile design, fitting sealed or vented enclosures for flexibility.
  • Upgrade your sound with this Eminence speaker, featuring a vented core for enhanced audio clarity.

What's in the box:

  • Alpha 3-8 3 " 30W Full-Range Speaker Driver (8 Ohm)
  • Eminence Speaker 7 Year Limited Warranty