Eminence Professional LA15850 15" 800W Line Array PA Replacement Speaker
Replacement PA Speakers
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Shallow 15" high-power cast frame woofer.
The LA15850 features a shallow 15" high power cast frame woofer with a 4 inch voice coil and super strong cone body. The inverted dust cap allows close placement to phase plugs used in many horn loaded designs. 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.
- 15" low frequency driver
- 350W power rating
- 98.7dB sensitivity
- Inverted dust cap for close placement options
Perfect replacement for many portable PA cabinets. Keep a spare on hand!
Professional LA15850 15" 800W Line Array PA Replacement Speaker Specifications:
- Nominal Basket Diameter 15", 381 mm
Nominal Impedance* 8 Î
Watts 800 W
Music Program 1600 W
Resonance 34 Hz
Usable Frequency Range 45 Hz - 1.5 kHz
Sensitivity*** 96.2 dB
Magnet Weight 109 oz.
Gap Height 0.375", 9.5 mm
Voice Coil Diameter 4", 102 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 34 Hz
DC Resistance (Re) 5.83 Î
Coil Inductance (Le) 1m H
Mechanical Q (Qms) 9.27
Electromagnetic Q (Qes) 0.34
Total Q (Qts) 0.33
Compliance Equivalent Volume (Vas) 234.15 liters / 8.27 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 351.1 cc
Mechanical Compliance of Suspension (Cms) 0.23 mm/N
BL Product (BL) 18.98 T-M
Diaphragm Mass Inc. Airload (MMs) 98 grams
Efficiency Bandwidth Product (EBP) 100
Maximum Linear Excursion (Xmax) 4.1 mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) 12.2 mm
Recommended Enclosure Volume
Vented 46.72-127.43 liters / 1.65-4.5 cu.ft.
Driver Volume Displaced 0.145 cu.ft. / 4.1 liters
Overall Diameter 15.3", 388.6 mm
Baffle Hole Diameter 14.08", 357.6 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.26", 6.5mm
Mounting Holes B.C.D. 14.57", 370.1mm
Depth 5.5", 139.7 mm
Net Weight 21.4 lbs, 9.71 kg
Shipping Weight 23.6 lbs, 10.7 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