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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.
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Eminence LF models are specially designed with extended Xmax to deliver more bass than standard models and provide 'a true woofer' for three-way applications. Performance optimized for high power bass in sound reinforcement systems, bass guitar combos, club music systems and stage monitors.
Features
Kapton coil former for increased rigidity and thermal protection
Polyamide-imide coated two-layer, 29ga., copper voice coil for improved power handling and durability
Ferrite magnet
Vented and extended core for increased power handling
Premium pressed steel basket for maximum strength
Paper cone
Rolled cloth cone edge with deep corrugations for extended Xmax
Solid composition paper dust cap
Nominal basket diameter: 15 in., 381mm
Impedance: 4 ohms or 8 ohms
Power rating: 500 Watts RMS
Music Program: 1000 Watts
Resonance: 39Hz
Usable frequency range: 42Hz - 3.2kHz
Magnet weight: 56oz.
Gap height: 0.375 in., 9.52mm
Voice coil diameter: 2.5 in., 63.5mm
Mounting Information
Recommended enclosure volume: 92 - 150 liters
Recommended enclosure volume (vented): 3.25 - 5.3 cu. ft.
Overall diameter: 15.15 in., 384.8mm
Baffle hole diameter: 13.77 in., 349.6mm
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.: 14.56 in., 369.9mm
Depth: 6.05 in., 153.6mm
Shipping weight: 15.3lbs., 7 kg.
Thiele-Small Parameters
Resonant frequency (fs): 39Hz
Impedance (Re): 6.11 ohms
Coil inductance (Le): 1.37mH
Electromagnetic Q (Qes): 0.52
Mechanical Q (Qms): 6.3
Total Q (Qts): 0.48
Compliance equivalent volume (Vas): 241.0 liters (8.51 cu. ft.)
Peak diaphragm displacement volume (Vd): 419cc
Mechanical compliance of suspension (Cms): 0.23mm/N
BL product (BL): 14.6 T-M
Diaphragm mass inc. airload (Mms): 75 grams
Equiv. resistance of mechanical suspension loss (Rms): 3.19N*sec/M
Efficiency bandwidth product (EBP): 75
Voice coil overhang (Xmax): 4.8mm
Surface area of cone (Sd): 856.3cm2
Impedance at resonance (Zmax): 72 ohms
Maximum mechanical limit (Xmech): 16.5mm
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.
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