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Eminence Professional LA12850 12" 800W Line Array PA Replacement Speaker   

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The LA12850 is a high power 12 inch woofer in a shallow cast frame designed to work in ultra-compact vented systems and allow very tight packaging in...Read More

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OVERVIEW

The LA12850 is a high power 12 inch woofer in a shallow cast frame designed to work in ultra-compact vented systems and allow very tight packaging in line arrays or other systems where overall depth is limited. Each Eminence Professional model can be identified by its cast aluminum Eminence chassis that is lightweight and strong. Aluminum does not conduct the magnetic field out of the gap, thereby making the motor strength higher and the stray magnetic field lower. Each chassis and all metal components are coated with an epoxy-acrylic finish using an in-house e-coat process. The thickness of that coating can be controlled to within 0.001"; critical when working with close tolerance transducer motor designs. Then front and rear sealing gaskets are added on each model to accommodate front or rear loading.

There are 26 unique models available in the Professional series. Each was designed with a specific application in mind. From heavy-duty subwoofers, low distortion woofers, and super high-power woofers to lightweight neodymium transducers in truncated frames for line arrays, there is an Eminence Professional model for your application. Each product includes a lot of Made in the USA pride.

High-power 12" woofer in a shallow cast frame.

FEATURES
  • 12" low frequency driver
  • 800W power rating
  • 95.9dB sensitivity
  • Designed to work in ultra-compact vented systems
  • Ideal for tight packaging in line arrays or other systems where overall depth is limited

Perfect replacement for compact line array systems. Keep a spare on hand!

SPECIFICATIONS

Professional LA12850 12" 800W Line Array PA Replacement Speaker

  • Nominal Basket Diameter 12", 305 mm
    Nominal Impedance* 8 Î
    Power Rating**
    Watts 800 W
    Music Program 1600 W
    Resonance 46 Hz
    Usable Frequency Range 63 Hz - 2.1 kHz
    Sensitivity*** 95.9 dB
    Magnet Weight 109 oz.
    Gap Height 0.375", 9.5 mm
    Voice Coil Diameter 4", 102 mm

    THIELE & SMALL PARAMETERS
    Resonant Frequency (fs) 46 Hz
    DC Resistance (Re) 5.87 Î
    Coil Inductance (Le) 0.96m H
    Mechanical Q (Qms) 12.73
    Electromagnetic Q (Qes) 0.32
    Total Q (Qts) 0.32
    Compliance Equivalent Volume (Vas) 66.07 liters / 2.33 cu.ft.
    Peak Diaphragm Displacement Volume (Vd) 272.7 cc
    Mechanical Compliance of Suspension (Cms) 0.16 mm/N
    BL Product (BL) 19.51 T-M
    Diaphragm Mass Inc. Airload (MMs) 73 grams
    Efficiency Bandwidth Product (EBP) 142
    Maximum Linear Excursion (Xmax) 5 mm
    Surface Area of Cone (Sd) 545.4 cm2
    Maximum Mechanical Limit (Xlim) 14 mm

    MOUNTING INFORMATION
    Recommended Enclosure Volume
    Sealed N/a
    Vented 31.15-77.87 liters / 1.1-2.75 cu.ft.
    Driver Volume Displaced 0.102 cu.ft. / 2.9 liters
    Overall Diameter 12.32", 312.9 mm
    Baffle Hole Diameter 11.08", 281.4 mm
    Front Sealing Gasket Yes
    Rear Sealing Gasket Yes
    Mounting Holes Diameter 0.27", 6.8mm
    Mounting Holes B.C.D. 11.69", 297mm
    Depth 4.7", 119.4 mm
    Net Weight 20.5 lbs, 9.3 kg
    Shipping Weight 22.25 lbs, 10.09 kgs

    MATERIALS OF CONSTRUCTION
    Coil Construction Copper voice coil
    Coil Former Polyimide former
    Magnet Composition Ferrite magnet
    Core Details Core and Spider Land extended

    Basket Materials Die-cast aluminum basket
    Cone Composition Water resistant treated paper cone
    Cone Edge Composition Paper cone edge
    Dust Cap Composition Water resistant treated paper dust cap
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