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Eminence Speakers Alpha 4-8 4" 55W Full-Range Speaker Driver, 8 Ohm, Pair

SKU: EMALPHA48 MFR: ALPHA4-8
$49.99
$84.99
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Key Features

  • Experience accurate sound with this pair of Eminence 4" full-range speaker drivers.
  • Enhance your studio monitors with a frequency response of 105 Hz - 12 kHz.
  • These 8 Ohm drivers offer 55W power handling, perfect for compact speaker builds.
  • Achieve clear audio in sealed or vented enclosures; see recommended volumes.
  • Enjoy robust build quality with a pressed steel basket & paper cone composition.
  • Easily integrate these 4" speakers; ideal for DIY audio and custom projects.
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Eminence Speakers ALPHA 4 Specifications

General

General

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  • Nominal Basket Diameter

    4" (102mm)

  • Nominal Impedance

    8 Ohm

  • Power Rating

    Program Power: 110W
    Watts: 55W

  • Resonance

    123 Hz

  • Usable Frequency Range

    105 Hz - 12 kHz

  • Sensitivity

    88 dB

  • Magnet Weight

    10 oz (283g)

  • Gap Height

    0.144" (3.7mm)

  • Voice Coil Diameter

    1" (25mm)

Thiele & Small Parameters

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  • Resonant Frequency (fs)

    123 Hz

  • DC Resistance (Re)

    6.73 Ohm

  • Coil Inductance (Le)

    0.28mH

  • Mechanical Q (Qms)

    6.83

  • Electromagnetic Q (Qes)

    0.84

  • Total Q (Qts)

    0.75

  • Compliance Equivalent Volume (Vas)

    1.94L (0.07cu ft)

  • Peak Diaphragm Displacement Volume (Vd)

    15 cc

  • Mechanical Compliance of Suspension(Cms)

    0.42 mm/N

  • BL Product (BL)

    4.94 T-M

  • Diaphragm Mass Inc. Airload (MMs)

    0.14 oz (4g)

  • Efficiency Bandwidth Product (EBP)

    146

  • Maximum Linear Excursion (Xmax)

    0.10" (2.6mm)

  • Surface Area of Cone (Sd)

    0.06 sq ft (57.7 sq cm)

  • Maximum Mechanical Limit (Xlim)

    0.1" (4.5mm)

Mounting Information

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  • Recommended Enclosure Volume

    Sealed: 1.87-8.5L (0.07-0.3 cu ft)
    Vented: 2.27-4.25L (0.08-0.15 cu ft)

  • Driver Volume Displaced

    0.33L (0.012 cu ft)

  • Overall Diameter

    4.57" (116.1mm)

  • Baffle Hole Diameter

    3.77" (95.8 mm)

  • Front Sealing Gasket

    Yes

  • Rear Sealing Gasket

    Yes

  • Mounting Holes Diameter

    0.15" (3.8mm)

  • Mounting Holes B.C.D.

    4.25" (108mm)

  • Depth

    2.31" (58.7mm)

  • Net Weight

    1.5 lb (0.68kg)

Materials of Construction

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  • Coil Construction

    Copper voice coil

  • Coil Former

    Polyimide former

  • Magnet Composition

    Ferrite magnet

  • Core Details

    Non-Vented core

  • Basket Materials

    Pressed steel basket

  • Cone Composition

    Paper cone

  • Cone Edge Composition

    Cloth cone edge

  • Dust Cap Composition

    Solid composition paper dust cap

  • UPC Code

    876358003815

About Eminence Speakers ALPHA 4

Enhance your audio experience with the Eminence Alpha 4-8 4" 55W Full-Range Speaker Driver, a pair of high-quality, durable drivers that deliver powerful and reliable performance. These innovative speakers are designed by the renowned Eminence Speakers brand, ensuring a premium audio component that stands out in the market.

Crafted to excel in a variety of settings, the Alpha 4-8 speaker drivers are an excellent choice for those seeking a versatile audio solution. Whether you're looking to upgrade your car audio system with speakers that fit seamlessly into the doors and side panels, or you need a compact yet robust driver for your line array setup, these speakers are engineered to meet your needs.

The Alpha 4-8 drivers are not only suitable for full-range audio applications but also shine as midbass or midrange components. Their wide frequency range makes them ideal for reproducing clear and detailed sound across various music genres and audio content. This adaptability makes them a top pick for home theater aficionados, music studio professionals, and live sound system integrators who demand excellence in sound quality.

For vocal applications, the Alpha 4-8 drivers can be stacked in a column to create a focused and articulate soundstage. Additionally, when paired with a tweeter and a subwoofer, they form a compact, high-performance PA or MI system that delivers exceptional audio clarity and depth.

In summary, the Eminence Alpha 4-8 4" 55W Full-Range Speaker Driver, 8 Ohm, Pair, is a testament to superior audio engineering. With its full-range capabilities, robust power handling, and versatile application potential, it's a smart choice for audio enthusiasts and professionals who refuse to compromise on sound quality or performance.

Eminence Speakers ALPHA 4 Features

  • Suited for line arrays, car doors and side panels, and other tight fitting applications
  • Can be used as full range, midbass, or as midrange speakers
  • Pair can be stacked alone in a column, or in conjunction with a tweeter and a sub

Key Features

  • Experience accurate sound with this pair of Eminence 4" full-range speaker drivers.
  • Enhance your studio monitors with a frequency response of 105 Hz - 12 kHz.
  • These 8 Ohm drivers offer 55W power handling, perfect for compact speaker builds.
  • Achieve clear audio in sealed or vented enclosures; see recommended volumes.
  • Enjoy robust build quality with a pressed steel basket & paper cone composition.
  • Easily integrate these 4" speakers; ideal for DIY audio and custom projects.

What's in the box:

  • 2x Alpha 4-8 4 " 55W Full-Range Speaker Driver (8 Ohm)
  • Eminence Speakers 7 Year Limited Warranty