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Guitar Amplification

LX-18V3 - 18" Passive Folded Horn Subwoofer

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-18V3 takes the traditional folded horn design to the next level. The made in the U.S.A. cabinet is built to withstand the abuse of the road and is backed by a lifetime cabinet construction warranty. A specially-designed internal compression chamber provides intense, clean and controlled bass. At the heart of the LX-18V3 is the new B-52 18-220X with a cast-aluminum frame, massive 220 oz magnet, double spider anti-rocking surround and innovative 4” dual-layered, tempered voice coil.

LX18V3


LXCompressionChamber
LXCompressionChamber
LX18EV3LX1515V3
LXHandleCasters
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-18V3 Specifications

Nominal Impedance:
Frequency Response:
Power Handling:
SPL @ 1w1m:
Peak SPL:
Dimensions (W” x H” x D”):
Weight (lbs):
8 Ohms
30-160 Hz
1000 watts
108
138
24 x 39 x 36
165
B5218220XAt 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.
 
B-52 Professional, 3383 Gage Ave, Huntington Park, CA, 90255
Toll Free (US): 800-344-4384 I Ph: 323-277-4100 Fax: 323-277-4108
Copyright © 2011: ETI Sound Systems, INC