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B-52 LX-18V3 Passive Folded Horn Subwoofer

  • Powered by  B-52’s award-winning 1200-watt class H amplifier
  • 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.
  • The LX-AV3 has the ability to power the passive LX-18V3 subwoofer using the Neutrik™ output on the amplifier panel. Get one active and one passive – connect them together and feels the walls shake!

 

At a Glance

 

The LX-18V3 (passive) is the third generation of B-52’s 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.

Specifications

 

Nominal Impedance: 8 Ohms
Frequency Response: 30-160 Hz
Power Handling: 1000 watts
SPL @ 1w1m: 108
Peak SPL: 138
Dimensions (W” x H” x D”): 24 X 39 X 36
Weight (lbs): 165

 

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

 

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.

 

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

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