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Eminence Beta-12A-II 12" Driver

Brand:|Model: Beta-12A-II|Part # 290-408


The performance of the Eminence Beta-12A-II 12" speaker is optimized for sound reinforcement systems. The Beta-12A-II is also suitable for lead and bass guitar, keyboards, guitar combos club music systems and stage monitors.
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List Price$79.99
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Your Price
$69.99
Part # 290-408
Highlights
  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Ferrite magnet
  • Vented and pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround




Product Details

Eminence Beta-12A-II 12" Driver

The performance of the Eminence Beta-12A-II 12" speaker is optimized for sound reinforcement systems. The Beta-12A-II is also suitable for lead and bass guitar, keyboards, guitar combos club music systems and stage monitors. Made in the USA. 7-year manufacturer's warranty!



Product Specifications
  • Nominal Diameter12"
  • Power Handling (RMS)250 Watts
  • Power Handling (max)500 Watts
  • Impedance8 ohms
  • Frequency Response43 to 3,800 Hz
  • Sensitivity98 dB 1W/1m
  • Voice Coil Diameter2"
  • Magnet Weight38 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)47 Hz
  • DC Resistance (Re)5 ohms
  • Voice Coil Inductance (Le)0.64 mH
  • Mechanical Q (Qms)6
  • Electromagnetic Q (Qes)0.50
  • Total Q (Qts)0.46
  • Compliance Equivalent Volume (Vas)4.24 ft.³
  • Mechanical Compliance of Suspension (Cms)0.29 mm/N
  • BL Product (BL)10.80 Tm
  • Diaphragm Mass Inc. Airload (Mms)40g
  • Maximum Linear Excursion (Xmax)4.4 mm
  • Surface Area of Cone (Sd)538.9 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter12.03"
  • Baffle Cutout Diameter10.95"
  • Depth4.57"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume2.36 ft.³
  • Sealed F383 Hz
  • Vented Volume7.35 ft.³
  • Vented F342 Hz
Eminence Beta-12A-II 12" Driver
  • BrandEminence Speaker
  • ModelBeta-12A-II
  • Part Number290-408
  • UPC876358000111
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Product Rating
    (11 Reviews)
  • Weight11 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Eminence Beta-12A-II 12" Driver

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Eminence Beta-12A-II 12" Driver

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