Eminence :: Eminence Loudspeaker Drivers :: Eminence 12 Inch :: Eminence BETA-12A-2
Eminence
Woofer for Electrovoice SX100+ 85604C Alternative / Near Equivalent part for SX100+ 85604C
Product Code: EMIBETA12A Brand: Eminence Model: BETA-12A-2
Eminence Beta 12A II - 12 inch 250W 8 Ohm
£83.91
£83.91 ex VAT
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Quantity Discounts
2-3£82.65 ea.
4-7£81.39 ea.
8+£79.71 ea.
8+
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Eminence Beta 12A II - 12" 250W 8 Ohm part for Electrovoice SX100+ 85604C

Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure.

Technical specifications


  • Nominal Diameter: 305 mm (12 in)
  • Overall Diameter: 305.6 mm (12.03 in)
  • Bolt Circle Diameter: 294.4 mm (11.59 in)
  • Mounting Holes Diameter: 6.4 mm (0.25 in)
  • Baffle Cutout Diameter: 281.2 mm (11.07 in)
  • Overall Depth: 139.7 mm (5.5 in)
  • Front Sealing Gasket: Yes
  • Rear Sealing Gasket: Yes
  • Impedance: 8 ohm
  • AES Power: 250 W
  • Program Power: 500 W
  • Sensitivity: 98 dB
  • Voice Coil Diameter: 51 mm (2 in)
  • Voice Coil Material: Copper 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: 38 oz
  • Core Details: Vented and extended core
  • Sealed Enclosure Size: 25.5-35.4 L
  • Vented Enclosure Size: 36.8-139 L


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


  • Resonance (Fs) - 47 Hz
  • DC Resistance (Re) - 5 Ohm
  • Voice Coil Inductance (Le) - 0.64 mH
  • Mechanical Q (Qms) - 6
  • Electrical Q (Qes) - 0.5
  • Total Q (Qts) - 0.46
  • Compliance Equivalent Volume (Vas) - 120.1 L
  • Peak Displacement Volume (Vd) - 237 cm3
  • Compliance (Cms) - 0.29 mm/N
  • Force Factor (BL) - 10.8 Tm
  • Moving Mass - System (Mms) - 40 g
  • Efficiency Bandwidth Product (EBP) - 94
  • Maximum Linear Excursion (Xmax) - 4.4 mm
  • Diaphragm Area (Sd) - 538.9 cm2
  • Maximum Mechanical Excursion (Xmech) - 11 mm

Shipping Information


  • Net Weight: 3.4 kg (7.5 lbs)
  • Shipping Weight: 4.4 kg (9.7 lbs)
Eminence Beta 12 8 Ohm Twin Pack
Eminence Beta 12 8 Ohm Twin Pack
250W 12" Driver 8 ohm Pack size: 2 units @ £165.30 incl VAT - Equivalent price: £82.65 incl VAT per item
Eminence Beta 12 8 Ohm Twin Pack - currently in stock5 IN STOCK
Product Code: EMIBETA12A_2PK
£165.30
£165.30
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Eminence Beta 12 8 Ohm Four Pack
Eminence Beta 12 8 Ohm Four Pack
250W 12" Driver 8 ohm Pack size: 4 units @ £325.57 incl VAT - Equivalent price: £81.39 incl VAT per item
Eminence Beta 12 8 Ohm Four Pack - currently in stock2 IN STOCK
Product Code: EMIBETA12A_4PK
£325.57
£325.57
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