B-52 LX-18AV3 Active 18" Folded Horn Subwoofer New


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B-52

LX-18AV3

Active 18" Folded Horn Subwoofer

New

   

The LX-18AV3 (active) and LX-18V3 (passive) are the third generation of our powerful folded horn subwoofer design, hailed by music professionals for their reliability, performance and affordability. The V3 is bigger, louder and better. V3 improvements include a larger cabinet with an improved horn design and our new overbuilt class H amplifier. At the heart of these folded horn cabinets is the new 18-220X subwoofer which provides higher efficiency and an ultra-efficient heat management system which keeps the speaker cool even when driven at high SPLs.

The LX-18AV3 is powered by our award-winning 1200-watt class H amplifier. The overbuilt design includes a compressor/ limiter, subsonic filter, phase switch, stereo XLR inputs and both full-range and high-pass XLR outputs. The built-in 18dB/octave electronic crossover provides 70Hz, 100Hz and 140Hz settings allowing you to perfectly match your top cabinets to this sub. What sets the LX-18AV3 apart is its ability to ALSO power the passive LX-18V3 subwoofer using the NeutrikTM output on the amplifier panel. Get one active and one passive – connect them together and feels the walls shake!

At the heart of the beast
All B-52 folded-horn cabinets are loaded with the new B-52 18-220X subwoofer which provides high-power handling, great efficiency, very low distortion and accurate sound reproduction. Key features include:
• 4-inch “inside/outside” voice coil wound on both 
sides of the glass fiber coil former, providing more 
effective cooling through greater air contact
• The light weight and robust cast aluminum frame is 
shaped to minimize reflections on the back of the cone
• The entire loudspeaker is designed to work as a “heat 
sink” for extreme cooling efficiency
• The advanced magnet topology ensures an even 
distribution of magnetic flux throughout the whole 
magnet assembly, resulting in symmetrical motor 
movement preventing stray flux which can cause 
interference 
• The glass-fiber impregnated cone incorporates a 
sealed surround and added edge-damping to greatly 
reduce the occurrence of unwanted cone resonances
• The vented magnet ensures constant air circulation to 
drive heat away from the magnet assembly

Built-in compression chamber
The 18” subwoofers are housed in a compression chamber that minimizes the excursion of the driver while maximizing the subwoofers’ output. The optimally-sized acoustic aperture of the compression chambers forms the throat of the horn and helps force the air at an increased velocity and pressure. The compression chamber optimizes the horn’s output, allowing for amazing output levels.
 
Efficient aluminum heatsink design
The new aluminum heatsink design dissipates heat in the cabinet’s compression chamber. This provides increased thermal power handling, decreased power compression, increased output and cooler long-term operation.

LX-18V3 features
• Made in the U.S.A.
• Rugged, impact-resistant black carpet finish
• Void-free, 7-layer, 3/4” plywood construction for maximum durability and minimum weight
• Input connections: (2) 1/4” metal phone 
jacks and (1) Neutrik™ NL 4 Speakon™ connector
• Reinforced internal bracings are used to fortify the cabinet
• 4” heavy-duty casters
• Pole-mounting cup

LX-18AV3 Amplifier features

• 1200-watt RMS class H amplifier
• 800 watts RMS @ 8 ohms (LX-18AV3)
• 1200 watts RMS @ 4 ohms (LX-18AV3 
& LX-18V3 connected)
• Frequency response: 30-140 Hz
• Built-in 18dB/octave electronic crossover 
with 70Hz, 100Hz and 140Hz settings
• Subsonic filter: 24dB/octave @ 30 Hz
• Built-in compressor/limiter
• XLR balanced inputs
• XLR balanced FR & HP outputs
• 0-180

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