Speaker Components :: Loudspeaker Drivers :: 8 Inch :: ALPHA-8MRA
Eminence

Eminence Alpha 8MRA - 8" 125W 8 Ohm

SPL: 100.9 1W/1m Xmax: 1.6mm
Product Code: EMIALPHA8MR Brand: Model: ALPHA-8MRA
Eminence Alpha 8MRA - 8 inch 125W 8 Ohm
£73.16
£73.16 ex VAT
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2-3£72.06 ea.
4-7£70.97 ea.
8+£69.50 ea.
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Eminence Alpha 8MR 125W 8" Mid-range driver 8 ohm

Recommended for professional audio and bass guitar applications as a mid-range. Sealed basket makes this woofer independent of enclosure design.
  • Nominal Basket Diameter 8", 203.2mm
  • Nominal Impedance* 8 ohms
  • Power Rating: Watts - 125W, Music Program: 250W
  • Resonance 514Hz
  • Usable Frequency Range 400Hz - 4.8kHz
  • Sensitivity*** 100.9dB
  • Magnet Weight 20 oz.
  • Gap Height 0.25", 6.35mm
  • Voice Coil Diameter 1.5", 38.1mm


Thiele & Small Parameters:

  • Resonant Frequency (fs) 514Hz
  • DC Resistance (Re) 7.32
  • Coil Inductance (Le) 0.34mH
  • Mechanical Q (Qms) 4.48
  • Electromagnetic Q (Qes) 2.08
  • Total Q (Qts) 1.42
  • Compliance Equivalent Volume (Vas) 0.8 liters / 0.03 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd) 0cc
  • Mechanical Compliance of Suspension (Cms) 0.01mm/N
  • BL Product (BL) 8.9 T-M
  • Diaphragm Mass Inc. Airload (MMs) 6.9 grams
  • Efficiency Bandwidth Product (EBP) 247
  • Maximum Linear Excursion (Xmax) 1.6mm
  • Surface Area of Cone (Sd) 205.9 cm2
  • Maximum Mechanical Limit (Xlim) 3mm


Mounting Information:

  • Recommended Enclosure Volume: Sealed N/a, Vented N/a
  • Driver Volume Displaced 35.3 cu.in. / 0.58 liters
  • Overall Diameter 8.22", 208.8mm
  • Baffle Hole Diameter 7.19", 182.5mm
  • Front Sealing Gasket Fitted as standard
  • Rear Sealing Gasket Fitted as standard
  • Mounting Holes Diameter 0.22", 5.5mm
  • Mounting Holes B.C.D. 7.75", 196.9mm
  • Depth 3.25", 83mm
  • Net Weight 4.4 lbs, 2 kg
  • Shipping Weight 5.1 lbs, 2.3 kgs


Materials of Construction:

  • 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
Eminence Alpha 8MR Closed Back Loudspeaker Driver Twin Pack
Eminence Alpha 8MR Closed Back Loudspeaker Driver Twin Pack
125W 8" Mid-range driver 8 ohm Pack size: 2 units @ £144.13 incl VAT - Equivalent price: £72.06 incl VAT per item
Eminence Alpha 8MR Closed Back Loudspeaker Driver Twin Pack - currently in stock2 IN STOCK
Product Code: EMIALPHA8MR_2PK
£144.13
£144.13
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Eminence Alpha 8MR Closed Back Loudspeaker Driver Four Pack
Eminence Alpha 8MR Closed Back Loudspeaker Driver Four Pack
125W 8" Mid-range driver 8 ohm Pack size: 4 units @ £283.86 incl VAT - Equivalent price: £70.97 incl VAT per item
Eminence Alpha 8MR Closed Back Loudspeaker Driver Four Pack - currently in stock1 IN STOCK
Product Code: EMIALPHA8MR_4PK
£283.86
£283.86
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