Elac 5 1/4" Concentric 3-Way Floorstanding Speaker UF51-BK

Item # ELACUF51BK (Part # UF51-BK)
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Item Description:
  • Custom-designed concentric driver
  • Balanced three-way design
  • Robust cabinets
  • High quality base and feet
  • Sophisticated crossover and aluminum woofer
  • Custom-designed Concentric Driver
    The delicacy of a 1-inch soft-dome tweeter and the harmonic accuracy of a rigid aluminum 4-inch midrange cone come together in a symphony of sonic perfection. Positioning the tweeter concentrically within the midrange voice coil achieves a uniform directivity pattern, for flat frequency response and formidable power handling, along with enhanced imaging for both on- and off-axis listening positions.

    Sophisticated Aluminum Woofer
    Through the use of aluminum, resonances that affect the linearity of common paper cones can be placed beyond the driver's operating frequency range. An extended size magnet with vented pole piece increases power handling, for accurate reproduction of bass frequencies that are clean, clear and powerful.

    Balanced Three-way Design
    A three-way speaker offers many advantages in the design of a full-range system. By assigning dedicated drivers to high, mid- and bass frequencies, each is optimized for the frequency range for which its design and material composition is best suited. Drivers like the groundbreaking concentric midrange-tweeter of the Uni-Fi series perform at their best, while larger, aluminum-cone woofers handle the frequency ranges in which they perform best. At the same time, a three-way speaker complement allows for a more straightforward crossover and cabinet design, eliminating complex and costly solutions.

    Custom-designed Binding Posts
    The custom terminals provide flexibility of speaker wire connections and ensure optimal electron transfer from speaker cables to the speaker itself. Details like this make the difference!

    High quality base and feet
    An outrigger base design used for the UF5 provides a larger, more stable footprint and adds stability and optimum coupling of the speaker cabinet to the floor. Molded knobs dial in precise leveling of the four corners, which are supplied with metal spikes and spike stands, used according to whether the loudspeaker is placed on a soft or hard floor surface.

    Technical Specifications

    Speaker type - 3-way, bass reflex
    Tweeter - 1 x 1-inch soft dome, concentrically mounted
    Midrange - 1 x 4-inch aluminum cone
    Woofer - 3 x 5.25-inch aluminum cone
    Crossover frequency - 270 / 2,700 Hz
    Frequency response - 42 to 25,000 Hz
    Sensitivity - 85 dB at 2.83 v/1m
    Recommended amplifier power - 40 to 140 wpc
    Peak power handling - 140 wpc
    Nominal impedance - 4 ohms; minimum 3.4 ohms
    Binding posts - 5-way custom
    Magnetic shielding - No
    Cabinet finishes - Black brushed vinyl
    Accessories included - Magnetic fabric grille
    Dimensions (WxHxD) No Feet -  7.87" x 38" x 10.75"

    UF5 Floorstanding Speaker
    3-Year Limited Warranty
    This Kit Includes: