Eminence :: Eminence Loudspeaker Drivers :: Eminence 12 Inch :: Eminence ALPHA-12A
Eminence

Eminence Alpha 12 - 12" 150W 8 Ohm

SPL: 95.6 1W/1m Fs: 49 Hz Xmax: 2.4mm
Product Code: EMIALPHA12A Brand: Eminence Model: ALPHA-12A
Eminence Alpha 12 - 12 inch 150W 8 Ohm
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£49.99
£49.99 ex VAT
SRP £70.61
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2-3£69.55 ea.
4-7£68.49 ea.
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Eminence Alpha 12 150W 12 inch 8 Ohm Speaker Driver

Recommended for professional audio mid-bass applications in a small sealed or medium vented enclosure.

Technical specifications


  • Nominal Diameter: 305 mm (12 in)
  • Overall Diameter: 311.4 mm (12.26 in)
  • Bolt Circle Diameter: 297.4 mm (11.71 in)
  • Mounting Holes Diameter: 6.4 mm (0.25 in)
  • Baffle Cutout Diameter: 280.9 mm (11.06 in)
  • Overall Depth: 120.1 mm (4.73 in)
  • Front Sealing Gasket: Yes
  • Rear Sealing Gasket: Yes
  • Impedance: 8 ohm
  • AES Power: 150 W
  • Program Power: 300 W
  • Sensitivity: 95.6 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 felt dust cap
  • Surround Material: Cloth cone edge
  • Chassis Material: Pressed steel basket
  • Magnet Material: Ferrite magnet
  • Magnet Weight: 20 oz
  • Core Details: Vented and extended core
  • Sealed Enclosure Size: 17-22.7 L
  • Vented Enclosure Size: 56.6-113.3 L


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


  • Resonance (Fs) - 49 Hz
  • DC Resistance (Re) - 6.3 Ohm
  • Voice Coil Inductance (Le) - 0.79 mH
  • Mechanical Q (Qms) - 6.53
  • Electrical Q (Qes) - 0.88
  • Total Q (Qts) - 0.77
  • Compliance Equivalent Volume (Vas) - 121.5 L
  • Peak Displacement Volume (Vd) - 125 cm3
  • Compliance (Cms) - 0.32 mm/N
  • Force Factor (BL) - 8.5 Tm
  • Moving Mass - System (Mms) - 33 g
  • Efficiency Bandwidth Product (EBP) - 56
  • Maximum Linear Excursion (Xmax) - 2.4 mm
  • Diaphragm Area (Sd) - 519.5 cm2
  • Maximum Mechanical Excursion (Xmech) - 6.6 mm

Shipping Information


  • Net Weight: 2.4 kg (5.3 lbs)
  • Shipping Weight: 3.36 kg (7.4 lbs)
Eminence Alpha 12 Twin Pack
Eminence Alpha 12 Twin Pack
150W 12 inch 8 Ohm Speaker Driver Pack size: 2 units @ £139.10 incl VAT - Equivalent price: £69.55 incl VAT per item
Eminence Alpha 12 Twin Pack - currently in stock1 IN STOCK
Product Code: EMIALPHA12A_2PK
£139.10
£139.10
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Eminence Alpha 12 Four Pack
Eminence Alpha 12 Four Pack
150W 12 inch 8 Ohm Speaker Driver Pack size: 4 units @ £273.97 incl VAT - Equivalent price: £68.49 incl VAT per item
Please callOUT OF STOCK
Product Code: EMIALPHA12A_4PK
£273.97
£273.97
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