Elac Uni-Fi 2.0 5 1/4" Bookshelf Speakers, Pair (UB52BK)

ELACSKU: UB52BK

Sale price $899.99

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Space constraints should never compromise great sound. The Uni-Fi 2.0 UB52 is the perfect solution when space is at a premium yet demand for audiophile sound is not negotiable. Using the same outstanding drivers and technology as the other models in the series ensures this compact, 3-way, bass-reflex monitor delivers a matched sonic signature.

If you're after a taste of the high-end audio experience, these speakers can deliver it. A word of caution: these are not the most efficient speakers in the world. You'll want to use a pretty decent amplifier. But if you do, the UB5s will reward you with deep, tight bass, natural, uncolored midrange, and sweet-sounding highs.

What's their secret?


The ELAC concentric driver places its tweeter at the center of its midrange cone for enhanced imaging and clarity.

In part, the UB5s owe their clear, detailed sound, impressive imaging, and deep soundstage to their custom-designed concentric drivers. Conventional speakers place the midrange and tweeter in different locations on the front baffle — causing their sound to reach your ears at slightly different times, and smearing subtle details. Instead, the UB5's concentric driver places a 1" soft dome tweeter directly in the center of a 4" aluminum midrange cone. This precise alignment creates a "unified source," ensuring that all frequencies arrive at your ears at the same instant, producing a more coherent and accurate sound.

How about that bass?

The UB5s use a custom-designed 5-1/4" aluminum cone woofer to supply articulate bass that blends in precisely with the concentric driver. The woofer's large magnet and vented pole piece increase power handling for bass that's clean, clear, and powerful. A rear-firing port extends bass performance, but keeps it tight and tuneful.

Product highlights:

  • true 3-way bookshelf speaker design
  • custom-designed concentric driver with 4" aluminum cone midrange and 1" soft dome tweeter for clear, accurate mids and highs
  • custom-designed 5-1/4" aluminum cone woofer
  • frequency response: 46-25,000 Hz
  • sensitivity: 85 dB
  • impedance: 4 ohms
  • maximum power input: 140 watts
  • sophisticated multi-element crossover with high-grade components to ensure smooth transition between drivers
  • bass-reflex (ported) cabinet design
  • thick MDF enclosures with internal bracing reduces cabinet vibration that causes unwanted sonic coloration
  • binding post speaker terminals
  • magnetically attached cloth grilles
  • black brushed vinyl finish
  • 7-7/8"W x 12-3/4"H x 10-3/4"D
  • weight: 16.5 lbs. (each)
  • warranty: 3 years

Features & specs

Enclosure Bass Reflex
Finish MDF/Vinyl
Color Black
Video Shielded No
Tweeter Type Soft-Dome
Tweeter Size (inches) 1
Midrange Size (inches) 4
Woofer Size (inches) 5.25
Woofer Composition Aluminum
Woofer Surround Rubber
Power Range 40-140
Sensitivity 85 dB
Impedance (Ohms) 4
Frequency Response 46-25k Hz
Connector Type Post
Bi-amp Inputs No
Height (inches) 12-13/16
Width (inches) 7-15/16
Depth (inches) 12-3/16
Weight (pounds) 16.5
Mounting Bracket Included No
Recommended Stand Height (inches) 24-31
Parts Warranty 3 Years
Labor Warranty 3 Years

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