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Eminence Alpha 8A - 8" 125W 8 Ohm

SPL: 94.0 1W/1m Fs: 73 Hz Xmax: 3.2mm
Product Code: EMIALPHA8A Brand: Eminence Model: Alpha 8
Eminence Alpha 8A - 8 inch 125W 8 Ohm
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£45.55
£45.55 ex VAT
SRP £54.50
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2-3£53.68 ea.
4-7£52.87 ea.
8+£51.77 ea.
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Eminence Alpha 8 125W 8" Driver 8 ohm

Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented satellite enclosure.

Technical specifications


  • Nominal Diameter: 203 mm (8 in)
  • Overall Diameter: 209.3 mm (8.24 in)
  • Bolt Circle Diameter: 196.9 mm (7.75 in)
  • Mounting Holes Diameter: 5.6 mm (0.22 in)
  • Baffle Cutout Diameter: 181.1 mm (7.13 in)
  • Overall Depth: 82.6 mm (3.25 in)
  • Front Sealing Gasket: Yes
  • Rear Sealing Gasket: Yes
  • Impedance: 8 ohm
  • AES Power: 125 W
  • Program Power: 250 W
  • Sensitivity: 94 dB
  • Voice Coil Diameter: 38 mm (1.5 in)
  • Voice Coil Material: Copper voice coil
  • Voice Coil Former: Polyimide former
  • Magnetic Gap Depth: 6.4 mm (0.25 in)
  • Cone Material: Paper cone
  • Dust Cap Material: Solid composition paper dust cap
  • Surround Material: Cloth cone edge
  • Chassis Material: Pressed steel basket
  • Magnet Material: Ferrite magnet
  • Magnet Weight: 20 oz
  • Core Details: Vented core
  • Sealed Enclosure Size: 5-7 L
  • Vented Enclosure Size: 16.7-25.5 L


Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.


  • Resonance (Fs) - 73 Hz
  • DC Resistance (Re) - 5.3 Ohm
  • Voice Coil Inductance (Le) - 0.44 mH
  • Mechanical Q (Qms) - 4.6
  • Electrical Q (Qes) - 0.68
  • Total Q (Qts) - 0.59
  • Compliance Equivalent Volume (Vas) - 17.7 L
  • Peak Displacement Volume (Vd) - 67 cm3
  • Compliance (Cms) - 0.28 mm/N
  • Force Factor (BL) - 7.8 Tm
  • Moving Mass - System (Mms) - 17 g
  • Efficiency Bandwidth Product (EBP) - 107
  • Maximum Linear Excursion (Xmax) - 3.2 mm
  • Diaphragm Area (Sd) - 210 cm2
  • Maximum Mechanical Excursion (Xmech) - 7.1 mm

Shipping Information


  • Net Weight: 1.95 kg (4.3 lbs)
  • Shipping Weight: 2.31 kg (5.1 lbs)
Eminence Alpha 8 Twin Pack
Eminence Alpha 8 Twin Pack
125W 8" Driver 8 ohm Pack size: 2 units @ £107.37 incl VAT - Equivalent price: £53.69 incl VAT per item
Eminence Alpha 8 Twin Pack - currently in stock2 IN STOCK
Product Code: EMIALPHA8A_2PK
£107.37
£107.37
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Eminence Alpha 8 Four Pack
Eminence Alpha 8 Four Pack
125W 8" Driver 8 ohm Pack size: 4 units @ £211.46 incl VAT - Equivalent price: £52.87 incl VAT per item
Eminence Alpha 8 Four Pack - currently in stock1 IN STOCK
Product Code: EMIALPHA8A_4PK
£211.46
£211.46
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