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    Eminence Beta 12A2 Speaker, 250 W, 12-Inch

    Kapton coil former. Ferrite magnet. Pressed steel basket.
    Product Rated 8.8 Out of 10 (9 ratings)
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    Web Item #EMNBETA12A8

    Eminence Beta 12 12 Inch Speaker
    ADDITIONAL VIEWS:
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    Eminence Warranty: If you have additional warranty questions, please call the manufacturer at 502-845-5622
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    This product ships to: Can ship to United States

    This item must be exchanged directly through the manufacturer if it is found to be defective, and can only be returned to us if it is unopened.

    Payment Options We DO NOT COLLECT TAX except on orders shipped to New Jersey.

    Eminence Beta 12A2 Speaker (250 Watts, 12") Product Description

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

    Same Day Music is an authorized dealer of Eminence products.

    Eminence Beta 12A2 Speaker Technical Description

    Specification:
    Nominal Basket Diameter: 12 in., 304.8mm

    Nominal Impedance: 8 ohms

    Power Rating: Watts 250W

    Music Program: 500W

    Resonance: 47Hz

    Usable Frequency Range: 43Hz-3.8kHz

    Sensitivity***: 98

    Magnet Weight: 38 oz.

    Gap Height: 0.312 in., 7.92mm

    Voice Coil Diameter: 2 in., 50.8mm

    Thiele & Small Parameters
    Resonant Frequency (fs): 47Hz

    DC Resistance (Re): 5.0

    Coil Inductance (Le): 0.64mH

    Mechanical Q (Qms): 6.00

    Electromagnetic Q (Qes): 0.50

    Total Q (Qts): 0.46

    Compliance Equivalent Volume (Vas): 120.1 liters / 4.2 cu. ft.

    Peak Diaphragm Displacement Volume (Vd): 237cc

    Mechanical Compliance of Suspension (Cms): 0.29mm/N

    BL Product (BL): 10.8 T-M

    Diaphram Mass inc. Airload (Mms): 40 grams

    Efficiency Bandwidth Product (EBP): 94

    Maximum Linear Excursion (Xmax): 4.4mm

    Surface Area of Cone (Sd): 538.9 cm2

    Maximum Mechanical Limit (Xlim): 11mm

    Mounting Information
    Recommended Enclosure:
    - Sealed: 25.5-35.4 liters, 0.9-1.25 cu.ft.
    - Vented: 36.8-139 liters/1.3-4.9 cu.ft.

    Overall Diameter: 12.03 in., 305.5mm

    Baffle Hole Diameter: 10.95 in., 278.1mm

    Front Sealing Gasket: fitted as standard

    Rear Sealing Gasket: fitted as standard

    Mounting Holes Diameter: 0.25 in., 6.4mm

    Mounting Holes B.C. D.: 11.59 in., 294.3mm

    Depth: 4.57 in., 116mm

    Net Weight: 7.5 lbs., 3.4 kg

    Shipping Weigh: 9.7 lbs., 4.4 kg

    Materials of Construction
    Coil Construction: Copper voice coil

    Coil Former: Polyimide former

    Magnet Composition: Ferrite magnet

    Core Details: Vented and extended core

    Basket Materials: Pressed steel basket

    Cone Composition: Paper Cone

    Cone Edge Composition: Cloth cone edge

    Dustcap Composition: Solid composition paper dust cap

    ** Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.

    *** The average output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie: 2.83V/8ohms, 4V/16ohms. Eminence response curves are measured under the following conditions: All speakers are tested at 1w/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software calibrated) mounted 1m from wall/baffle | 2ft. X 2ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu.ft. chamber with fiberglass on all six surfaces (three with custom-made wedges).

    **** BETA 8CX, 10CX, 12CX and ACOUSTINATOR(TM) CX2008 are coaxial speakers with tweeter sold separately. Published Usable Frequency response contingent upon use of APT 50 HF Driver.

    Important Note

    Watts: The guaranteed long term power rating throughout the usable frequency range of the speaker.

    (Translation: the speaker will operate continuously at any frequency within the speakers specified frequency range when driven at this power. The "Watts" rating is similar to RMS, but is really more indicative of long term thermal capability.)

    Music Program: The speaker will safely and reliably handle the varying frequencies of musical content at this power rating. The "Music Program" rating is more indicative of what you can expect in the real world with the speaker operating within the appropriate enclosure reproducing music or vocal audio program.

    Same Day Music is an authorized dealer of Eminence products.
    Shipping Weights and Dimensions
    Shipping Weight: 10 lbs
    Shipping Dimensions: 18 x 17 x 7 in

    User Reviews for Eminence Beta 12A2 Speaker (250 Watts, 12")

    Product Rated 8.8 Out of 10 (9 ratings)
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    9 users have rated this product, but no one has reviewed it yet. To rate this item and/or write a review, click the "Rate It" button.

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