Eminence Speakers Alpha-8MRA 8" 125W Sealed Back Mid-Range Driver, 8 Ohm
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Eminence Speakers Alpha-8MRA 8" 125W Sealed Back Mid-Range Speaker Driver, 8 Ohm

SKU: EMALPHA8MRA MFR: ALPHA-8MRA
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Key Features

  • Upgrade your sound with the Eminence Alpha-8MRA mid-range speaker driver!
  • Experience crystal-clear audio with a 400 Hz - 4.8 kHz frequency response.
  • This 8" speaker boasts a 125W power rating, perfect for studio monitors.
  • Enjoy high sensitivity (100.9 dB) for impactful sound in any setting.
  • The sealed back design ensures focused mid-range frequencies for accuracy.
  • Ferrite magnet & steel basket offer lasting build quality for your speakers.
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Eminence Speakers ALPHA-8MRA Specifications

General

General

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  • Nominal Basket Diameter

    8" (203mm)

  • Nominal Impedance

    8 Ohm

  • Power Rating

    Program Power: 250W
    Watts: 125W

  • Resonance

    514 Hz

  • Usable Frequency Range

    400 Hz - 4.8 kHz

  • Sensitivity

    100.9 dB

  • Magnet Weight

    20 oz (566g)

  • Gap Height

    0.25" (6.4mm)

  • Voice Coil Diameter

    1.5" (38mm)

Thiele & Small Parameters

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  • Resonant Frequency (fs)

    514 Hz

  • DC Resistance (Re)

    7.32 Ohm

  • Coil Inductance (Le)

    0.34mH

  • Mechanical Q (Qms)

    4.48

  • Electromagnetic Q (Qes)

    2.08

  • Total Q (Qts)

    1.42

  • Compliance Equivalent Volume (Vas)

    0.8L (0.03 cu ft)

  • Peak Diaphragm Displacement Volume (Vd)

    0 cc

  • Mechanical Compliance of Suspension(Cms)

    0.01 mm/N

  • BL Product (BL)

    8.9 T-M

  • Diaphragm Mass Inc. Airload (MMs)

    0.24" (7g)

  • Efficiency Bandwidth Product (EBP)

    247

  • Maximum Linear Excursion (Xmax)

    0.06" (1.6mm)

  • Surface Area of Cone (Sd)

    0.22 sq ft (205.9 sq cm)

  • Maximum Mechanical Limit (Xlim)

    0.11" (3mm)

Mounting Information

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  • Driver Volume Displaced

    0.58L (0.02 cu ft)

  • Overall Diameter

    8.22" (208.8mm)

  • Baffle Hole Diameter

    7.19" (182.6mm)

  • Front Sealing Gasket

    Yes

  • Rear Sealing Gasket

    Yes

  • Mounting Holes Diameter

    0.22" (5.6mm)

  • Mounting Holes B.C.D.

    7.78" (197.6mm)

  • Depth

    3.25" (82.6mm)

  • Net Weight

    4.4 lb (2kg)

Materials of Construction

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  • Coil Construction

    Copper voice coil

  • Coil Former

    Polyimide former

  • Magnet Composition

    Ferrite magnet

  • Core Details

    Vented core

  • Basket Materials

    Pressed steel basket with closed back

  • Cone Composition

    Paper cone

  • Cone Edge Composition

    Paper cone edge

  • Dust Cap Composition

    Solid composition paper dust cap

Other

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  • UPC Code

    876358000029

About Eminence Speakers ALPHA-8MRA

Recommended for pro audio and bass guitar applications as a midrange. Sealed basket makes this woofer independent of enclosure design.

Eminence Speakers ALPHA-8MRA Features

  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Ferrite magnet
  • Closed- back pressed steel basket
  • Paper cone with treated paper surround
  • Solid composition paper dust cap

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Key Features

  • Upgrade your sound with the Eminence Alpha-8MRA mid-range speaker driver!
  • Experience crystal-clear audio with a 400 Hz - 4.8 kHz frequency response.
  • This 8" speaker boasts a 125W power rating, perfect for studio monitors.
  • Enjoy high sensitivity (100.9 dB) for impactful sound in any setting.
  • The sealed back design ensures focused mid-range frequencies for accuracy.
  • Ferrite magnet & steel basket offer lasting build quality for your speakers.

What's in the box:

  • Alpha-8MRA 8 " 125W Sealed Back Mid-Range Speaker Driver (8 Ohm)
  • Eminence Speakers 7 Year Limited Warranty