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Eminence Beta 8A - 225W 8" Speaker 8 Ohm

SPL: 95.1 1W/1m Fs: 65 Hz Xmax: 3.0mm
Product Code: EMIBETA8A Brand: Eminence Model: BETA-8A
Eminence Beta 8A - 225W 8 inch Speaker 8 Ohm
£59.62
£59.62 ex VAT
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Quantity Discounts
2-3£58.73 ea.
4-7£57.83 ea.
8+£56.64 ea.
8+
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Eminence Beta 8 225W 8" Driver 8 ohm

Recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable as a mid-bass speaker in sealed enclosures.

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: 88.9 mm (3.5 in)
  • Front Sealing Gasket: Yes
  • Rear Sealing Gasket: Yes
  • Impedance: 8 ohm
  • AES Power: 225 W
  • Program Power: 450 W
  • Sensitivity: 95.1 dB
  • Voice Coil Diameter: 51 mm (2 in)
  • Voice Coil Material: Aluminum voice coil
  • Voice Coil Former: Polyimide former
  • Magnetic Gap Depth: 7.9 mm (0.312 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: 34 oz
  • Core Details: Vented core
  • Sealed Enclosure Size: 5.7-9.9 L
  • Vented Enclosure Size: 8.5-19 L


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


  • Resonance (Fs) - 65 Hz
  • DC Resistance (Re) - 5.99 Ohm
  • Voice Coil Inductance (Le) - 0.49 mH
  • Mechanical Q (Qms) - 4.95
  • Electrical Q (Qes) - 0.42
  • Total Q (Qts) - 0.38
  • Compliance Equivalent Volume (Vas) - 23.3 L
  • Peak Displacement Volume (Vd) - 63 cm3
  • Compliance (Cms) - 0.37 mm/N
  • Force Factor (BL) - 9.6 Tm
  • Moving Mass - System (Mms) - 16 g
  • Efficiency Bandwidth Product (EBP) - 156
  • Maximum Linear Excursion (Xmax) - 3 mm
  • Diaphragm Area (Sd) - 210 cm2
  • Maximum Mechanical Excursion (Xmech) - 7.4 mm

Shipping Information


  • Net Weight: 2.99 kg (6.6 lbs)
  • Shipping Weight: 3.36 kg (7.4 lbs)
Eminence Beta 8 8 inch 225W 8 Ohm Loudspeaker Driver Twin Pack
Eminence Beta 8 8" 225W 8 Ohm Loudspeaker Driver Twin Pack
225W 8" Driver 8 ohm Pack size: 2 units @ £117.45 incl VAT - Equivalent price: £58.73 incl VAT per item
Eminence Beta 8 8 inch 225W 8 Ohm Loudspeaker Driver Twin Pack - currently in stock5+ IN STOCK
Product Code: EMIBETA8A_2PK
£117.45
£117.45
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Eminence Beta 8 8 inch 225W 8 Ohm Loudspeaker Driver Four Pack
Eminence Beta 8 8" 225W 8 Ohm Loudspeaker Driver Four Pack
225W 8" Driver 8 ohm Pack size: 4 units @ £231.33 incl VAT - Equivalent price: £57.83 incl VAT per item
Eminence Beta 8 8 inch 225W 8 Ohm Loudspeaker Driver Four Pack - currently in stock3 IN STOCK
Product Code: EMIBETA8A_4PK
£231.33
£231.33
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