Eminence American Standard Beta 12A 12 Inch Speaker 250 Watts 8 Ohm

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    Product Description

    The Eminence Beta 12A Speaker features optimized frequency response and power handling for use as a replacement speaker for two and three way speakers systems, bass and keyboard combo amps, guitar combo amps, and stage monitors. 8 ohms, 500W Program.

    Performance optimized for sound reinforcement systems. Also suitable for lead and bass guitar, keyboards, guitar combos, club music systems and stage monitors.

    Materials of Construction

    • Kapton coil former
    • Ferrite magnet
    • Pressed steel basket
    • Polyamide-imide coated copper voice coil
    • Paper cone/cloth cone edge
    • Solid composition paper dust cap

    Product Specifications


    • Nominal Basket Diameter: 12 inches, 304.8mm
    • Impedance: 8 Ohms
    • Power Rating:
      • Music Program: 500 W
      • Watts: 250 W
    • Resonance: 50Hz
    • Usable Frequency Range: 43Hz - 3.8kHz
    • Average Sensitivity 1W @ 1m: 100 dB
    • Magnet Weight: 34oz.
    • Gap Height: 0.312 inches, 7.94mm
    • Voice Coil Diameter: 2 inches, 50.8mm

    Mounting Information

    • Overall Diameter: 12.02 inches, 305.2mm
    • Baffle Hole Diameter: 10.97 inches, 278.6mm
    • Front Sealing Gasket: fitted as standard
    • Rear Sealing Gasket: fitted as standard
    • Mounting Holes Diameter: 0.25 inches, 6.4mm
    • Mounting Hole B.C.D.: 11.63 inches, 295.3mm
    • Depth: 4.47 inches, 113.5mm
    • Shipping Weight: 9.2 lbs., 4.2 kg

    Thiele-Small Parameters

    • Resonant Frequency: 50Hz
    • Impedance (RE): 7.07 ohm
    • Coil Inductance (Le): 0.84mH
    • Electromagnetic Q (Qes): 0.57
    • Mechanical Q (Qms): 5.82
    • Total Q (Qts): 0.52
    • Compliance Equivalent Volume (Vas): 114.7 liters, 4.05 cu.ft.
    • Peak Diaphragm Displacement Volume (Vd): 42cc
    • Mechanical Compliance of suspension (Cms): 0.29mm/N
    • BL Product (BL): 11.6 T-M
    • Diaphragm Mass inc. Airload (Mms): 35 grams
    • Equiv. Resistance of mechanical suspension loss (Rms): 1.88N*sec/M
    • Efficiency Bandwidth Product (EBP): 88
    • Voice Coil Overhang (Xmax): 0.8mm
    • Surface Area of Cone (Sd): 532.4cm2
    • Impedance at Resonance (Zmax): 79 ohm

    Helpful Info about the Manufacturer
    Phone:  502-845-5622 Warranty:  Warranty: 7 years
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Money Well Spent
    Product Rating
    What is your opinion of this product?
    These Will be my second pair of Beta's. I match these to my Fender Super Sonic Tube Amp. My Strat. Sounds Awesome ! Deep Rich Lows, Clear Highs, All this At a Fair Price. Why spend more money. And there made by Eminence ! Enough Said.
    Dave Morris
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Good price, very good product and great delivery time...as usual!
    What is your opinion of this product?
    I needed some 12" speakers for our practice room wedge monitors. These were affordable and I received them in 2 days. The sound quality is very good and I consider these a good "bang for the buck" speaker.
    nathan webster
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Awesome product
    What is your opinion of this product?
    Great sound but police dont like how loud they are in a peavey amp with 2 of these lol
    MSRP: $109.99
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