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.

SPECIFICATION
Nominal Basket Diameter	12", 305 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	1600 W
Watts	800 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

Eminence LA12850 12" 800 Watts

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