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Focal Utopia Be No.6

6-1/2" component speaker system

Item # 091NO6

An inverted dome tweeter, made from pure Beryllium foil, lies at the heart of this Utopia Be speaker system.

Find what Fits your vehicle

An inverted dome tweeter, made from pure Beryllium foil, lies at the heart of this Utopia Be speaker system.

Discontinued item

Item # 091NO6

About the Focal Utopia Be No.6

Focal's dedication to perfection

An inverted dome tweeter, made from pure Beryllium foil, lies at the heart of this Utopia Be speaker system. Lighter and stiffer than titanium or aluminum, Beryllium gives this tweeter accurate and crisp high-frequency response with a smoothness more like silk than metal. This dome reproduces frequencies far beyond the human hearing range, delivering the minute musical details and overtones that make music sound convincingly real.

Focal's dedication to perfection

Quality control is taken seriously

Focal's goal in speaker-making is to attain supreme accuracy in the reproduction of sound, so that your music travels directly to your heart without any coloration or interference. Utopia Be component systems exemplify Focal's dedication to perfection, bringing you performance that focuses your attention completely on the source of your pleasure: the players, their instruments, and the art of the song.

Beryllium: 100 times more expensive than gold

Beryllium inverted dome tweeter An inverted dome tweeter, made from pure Beryllium foil, lies at the heart of this Utopia Be speaker system. Lighter and stiffer than titanium or aluminum, Beryllium gives this tweeter accurate and crisp high-frequency response with a smoothness more like silk than metal. This dome reproduces frequencies far beyond the human hearing range, delivering the minute musical details and overtones that make music sound convincingly real.

Hand-made woofer cones

Glass-fabric laminated foam woofer cone Focal built the Utopia Be 6-1/2" woofer with a 3-layer cone, consisting of a foam core laminated on both sides with thin sheets of glass fabric. Focal even varies the thickness of the foam core to ensure the absolute accuracy of the woofer's playback across the entire sonic spectrum.

The aluminum alloy basket uses an open back to cool the woofer's internal works and to prevent any trapped air from interfering with the cone's motion. Every Focal product and part passes a battery of inspections and tests before, during, and after assembly.

Utopia Be Woofer assembly

The Crossblock™ crossover network

Focal arms its Utopia Be components with their Crossblock, a formidable crossover network that offers a staggering amount of control. The two woofer knobs give you a choice of 10 low-pass frequency settings and 8 different crossover slopes; the tweeter knobs let you select from 7 high-pass frequencies and 8 level selections. In total, the Crossblock gives you 80 woofer settings and 56 tweeter settings so you can tune this magnificent system to perfection in your vehicle. Focal developed the heavy-duty, hand-rolled coils and capacitors that are essential to this crossover's high efficiency and low distortion.

The Crossblock features heavy-duty hand-made coils and capacitors

Installation note: You'll need a pair of our universal backstraps to install the tweeters in the factory locations.

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Product highlights:

  • component speaker system includes two 6-1/2" woofers, 2 tweeters, 1 external crossover, and 2 woofer grilles
  • foam and glass fiber composite sandwich woofer cone
  • 1" Beryllium inverted-dome tweeter
  • 2-way external "parametric" crossover with 4480 combinations of settings
  • 4-ohm impedance
  • power range: 15-100 watts RMS (200 watts peak power)
  • frequency response: 66-40,000 Hz
  • sensitivity: 91.5 dB @ 2.83 V
  • top-mount depth: 2-13/16"
  • luxury aluminum carrying case
  • grilles included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # No.6

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More details on the Focal Utopia Be No.6

Pat M.

Features & specs

General
Speaker Size 6 1/2
Design 2-way
Tweeter Design 1" Inverted Dome
Impedance (Ohms) 4
Tweeter Composition Beryllium
Woofer Composition Foam and Glass Fiber Comp
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 91.5
Frequency Response 66 - 40k Hz
Minimum RMS Wattage 15
Maximum RMS Wattage 100
Peak Power Handling (Watts) 200
Top-mount Depth (Inches) 2 7/8
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 11/16
Mounting Height (Inches) 0.41

Product Research

Woofer
Tweeter
Crossover

Woofer

W Cone: The woofer cone is a sandwich composite consisting of a foam core laminated with glass fabric on both sides. The result of this full polymerization is a composite far more rigid than other cone material combinations of equal mass, while still maintaining the excellent damping characteristics of the foam core.

Surround: The rubber surround is resistant to ultraviolet rays, temperature extremes, and humidity to add to the speaker's reliability and longevity.

Zamak Basket: The woofer features a non-magnetic cast Zamak basket. Zamak is a rigid alloy of Zinc, Aluminum, Magnesium, and Copper. The legs of the frame are filled with high viscosity rubber which absorbs any vibration in the chassis.

Voice Coil: The two layer voice coil is wound around a 40mm (1.57") diameter low-mass Black Kapton former, ensuring no coil deformation.

Neodymium Magnets: The woofers use Neodymium ring magnets, which have magnetic flux power similar to a ceramic magnet 10 times their size, reducing the size and weight of the speaker.

Tweeter

Beryllium Tweeter: The tweeter is an inverted Beryllium dome, producing a broad sound stage. Beryllium is approximately seven times stiffer than titanium with inner damping characteristics similar to silk. Combined with its extreme light weight, these properties make Beryllium an excellent tweeter material. The tweeter has a Neodymium magnet to provide a powerful magnetic field for the voice coil, while still maintaining the tweeter's compact dimensions.

Mounting Options: Focal recommends flush mounting and the flush mount cup is built onto the tweeter housing. The included housing also allows surface mounting.

Flush Mount Dimensions:

Mounting Height 0.50"
Depth 0.45"
Frame Dimensions 2.12" x 2.87"
Cutout Diameter 1.3"

Crossover

Design: Focal's Crossblock crossover has multiple settings for low-pass crossover point, Q factor, high-pass crossover point, and tweeter output level. There are 4,480 total combinations, allowing you to optimize the system and compensate for the driver locations and the acoustic environment of the specific car.

Dimensions:

  • Width: 13"
  • Height: 2.25"
  • Depth: 10.375"

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