Eminence LA12850 12" Woofer Speaker, 8 Ohm

PA SKU # EMN LA12850 MFR # LA12850 UPC # 876358002351
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  • Product Highlights
  • 800 Watt RMS Power Handling
  • 8 Ohm Nominal Impedance
  • 63 to 2,100 Hz Frequency Response
  • Copper Voice Coil
  • 109 oz. Ferrite Magnet

12" Professional Woofer Driver, 8 Ohm

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.
  • 800 watts RMS power handling
  • Less than 5" mounting depth
  • Designed for ultra-compact vented enclosures and line array cabinets
  • Nominal Basket Diameter: 12", 305 mm
  • Nominal Impedance*: 8 Ω
  • 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 Ω
  • 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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