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EVENT OPAL

Event Opal 8'' 2-Way Active Speaker (Single)

    view all EVENT products

    Product Code: 100096116

    Availability: Pre-Order

    £1,149.00
    "The no compromise design brief for these speakers was essentially the impossible - to create the most accurate studio monitoring system available.The Opal was to be an 8-inch two-way speaker with the same dynamic and extended mid-range as the most expensive esoteric three-way systems. It had to feature extended and powerful bass response, and have seamless and transparent integration through all the frequency range. Distortion was entirely unacceptable.After many years of research and engineering, Event has defied conventional audio philosophy and created the Opal. Its woofer, tweeter, amplifier and cabinet all feature innovative and unique design and technology elements, combined to create one of the finest and most accurate studio monitoring systems ever released."
    System

  • Frequency Response
    35Hz - 22kHz (see graph)
  • Crossover Frequency
    1600Hz
  • Crossover Type
    Acoustic 8th Order (48dB/Oct)
  • 3rd Harmonic Distortion @ 90dB SPL, 1m,
    500-7kHz
    0.08%
  • 3rd Harmonic Distortion @ 90dB SPL, 1m,
    200 - 20kHz
    0.2%
  • 3rd Harmonic Distortion @ 90dB SPL, 1m,
    1.5%
  • Acoustic Output - SPL @ 1m, Long term
    (80Hz - 20kHz)
    111dB
  • Acoustic Output - SPL @ 1m, Peak
    (80Hz - 20kHz)
    114dB
  • Signal Input
    Combo XLR, 1/4" TRS (balanced/unbalanced)
  • Input Sensitivity
    .755 v/rms is 0dBu
  • AC Input Voltage
    90-110V, 110-120V or 220-240V (preset at factory)
  • AC Input Connector
    3-pin IEC
  • Average Long-Term Power Consumption
    220 watts
  • Quiescent Power Consumption

  • Opal Frequency Response Opal Frequency Response vs 3rd Harmonic Distortion
    Low Frequency Transducer - EX8

  • Piston Diameter
    180mm (7.1")
  • Voice Coil Configuration
    X-Coil double low distortion design
  • Voice Coil Diameter
    66mm (2.6")
  • X-Coil Diameter
    65.2mm (2.56")
  • Former Material
    High-strength Polyamide - Glass Fiber
  • Voice Coil Wire
    Copper Clad Al
  • Magnet Type
    Neodymium
  • Magent Gap Design
    XBL - Split Gap
  • Impedance Nominal in Cabinet
    5 Ohms
  • Cone Type
    Carbon Fiber Composite
  • Power Handling - Continuous Pink Noise
    240 watts
  • Power Handling - Program Power
    360 watts
  • Power Handling - Peak Power
    720 watts

  • EX8 Woofer
  • High Frequency Transducer - ULD1

  • Dome Diameter
    25.4mm (1")
  • Voice Coil Diameter
    25mm (0.98")
  • Magnet Type
    Neodymium
  • Impedance DCr
    6 Ohms
  • Impedance Nominal in Cabinet
    5 Ohms
  • Dome Type
    Beryllium Copper
  • Power Handling - Continuous Pink Noise
    25 watts (above 1.6kHz)
  • Power Handling - Program Power
    50 watts (above 1.6kHz)
  • Power Handling - Peak Power
    100 watts (above 1.6kHz)

  • ULD1 Tweeter
  • Low Frequency Amplifier

  • Frequency Response
    20Hz - 20kHz(±0.1dB)
  • Operating Band Pass
    20Hz - 1,600Hz
  • Total Harmonic Distortion
    0.009% @ 300 watts into 5 Ohm load
  • Voltage Gain
    24dB
  • Long Term Power @ 5 Ohms*
    270 watts
  • Continuous Power @ 5 Ohms**
    387 watts
  • Burst Power @ 5 Ohms***
    600 watts
  • Output Topology
    Class AB
  • Cooling
    Convection - Aluminium Heat Sink

  • Opal Amplifier
  • High Frequency Amplifier

  • Frequency Response
    20Hz - 20kHz(±0.1dB)
  • Operating Band Pass
    1,600Hz - 20,000Hz
  • Total Harmonic Distortion
    0.003% @ 300 watts into 5 Ohm load
  • Voltage Gain
    15dB
  • Long Term Power @ 5 Ohms*
    50 watts
  • Continuous Power @ 5 Ohms**
    112 watts
  • Burst Power @ 5 Ohms***
    140 watts
  • Output Topology
    Class AB
  • Cooling
    Convection - Aluminium Heat Sink

  • Opal Amplifier
  • Physical

  • Cabinet Volume
    28 Litres
  • Cabinet Construction
    High Pressure Injection-Moulded Aluminium
  • Cabinet Finish
    Black Powdercoat
  • Low Frequency Vents
    Two Variable Impedance Ports (patent pending)
  • Waveguide Construction
    High Pressure Injection-Moulded Aluminium
  • Waveguide
    Eliptical Waveguide - Rotatable
  • Mounting Points
    Four Each - M8 Omni-mount Pattern
  • Cabinet Dimensions
    295mmW x 450mmH x 273mmD
    (11.6"W x 17.7"H x 10.8"D)
  • Cabinet Weight
    21.2kg (46.74lb)
  • Shipping Dimensions
    390mmW x 575mmH x 380mmD
    (15.4"W x 22.6"H x 15"D)
  • Shipping Weight
    24.3kg (53.57lb)
  • Operating Temperature Range
    5-35°C (40-95°F)
  • Agency Approvals
    CE, UL, CCC, C-Tick, SASO, NON, EK, PSE
  • The Opal´s EX8 mid-low driver is a technical innovation. As a raw speaker it provides a practically unheard of response of 30Hz -10kHz and a power handling up to a staggering 1000 watts.

    Designed completely from scratch and specifically for the Opal, the EX8 is capable of reproducing mid-range frequencies with the clarity and speed of dedicated mid-range drivers. At the same time it can deliver defined and accurate frequencies down to the Opal cut off of 35Hz, without resorting to rear-porting and manipulation of the listening space.

    Two proprietary EVENT technologies allow for this previously unimaginable performance from a single driver - X-Coil and XBL.

    X-Coil

    X-Coil refers to the use of a secondary shortening coil on the driver´s pole piece. This magnetic coil is set in opposite polarity with the speaker´s moving coil, creating a magnetic resistance between the two elements and dramatically increasing both the driver´s control and speed of the cone. This in turn improves the mid range dynamics, while exhibiting incredibly low distortion characteristics.
    XBL

    Event´s patented magnetic motor design, XBL, dramatically increases the effectiveness of the magnetic circuit. This has resulted in the EX8 possessing an unprecedented 36mm of linear excursion.
    Paper over plastic

    The EX8 features a bespoke cone comprised of a paper pulp and long strand carbon fiber composite that provides extreme stiffness and low mass. While materials such as polypropylene are popular amongst other manufacturers, paper composites provide the finest clarity and ´realness´ of sound.

    The Opal´s ULD1 high frequency assembly features a metal-dome tweeter mounted in a unique elliptical waveguide.

    The ULD1´s beryllium-copper dome maintains absolute stiffness right up to its resonant frequency point. Coupled to an extremely high force neodymium motor, this results in incredibly low harmonic distortion at all power levels, up to several factors lower than tweeters found in other esoteric Hi-fi and monitoring speakers.

    Painstaking attention was given to the relationship between the tweeter dome, suspension, motor and waveguide, to ensure that output, directional control and power response was acoustically optimised, and in turn tuned to work in perfect synergy with the EX8 woofer.
    Waveguide

    Early in the Opal development it was decided that a detailed waveguide was critical to controlling the horizontal and vertical dispersion characteristics of the speaker system.

    This in turn indicated that a metal tweeter would be required to provide the rigidity required to work correctly within a waveguide, as even shallow waveguides create an acoustic load on the surface of a speaker cone.

    Have it your way

    For those that prefer to work with their monitors in a horizontal position the Opal´s entire waveguide assembly can be easily rotated to allow for correct usage.

    The waveguide is designed to align precisely with the EX8 woofer in this orientation to minimise diffraction and discontinuities.

    The Opal´s no compromise cabinet is cast from aluminium to provide a high level of strength and rigidity that minimises resonance.

    Almost every surface on the Opal is a curvature of complex radii, minimising any diffraction that can be caused when the energy from the drivers reflect off flat surfaces.

    Internally, the cabinet design is no less complex, assisting in the elimination of standing waves and resonance and thus minimising any mid-frequency leakage.
    Front Porting

    The Opal features front mounted bass reflex ports, contradicting current porting trends that see manufacturers placing ports at the rear of the cabinet to enhance the perception of low frequencies by relying on room reflections, or passive radiators that introduce other acoustic compromises.

    The primary issue is the introduction of port noise and artifacts caused by increased air turbulence, often heard as a "puffing or "chuffing" sound. In the Opal this is overcome by the introduction of asymmetrical geometry across both the horizontal and vertical axes of each port. This variable impedance lowers the velocity and associated air distortion to the point where it is inaudible even at high output levels.

    Like all other elements that combine within the Opal, the amplifier is a completely custom design. With such transparent, low distortion drivers as the EX8 and ULD1 it becomes imperative that the amplifier must have the lowest distortion levels possible.

    By focusing on sound circuitry design the Event engineering team has achieved a four-layer PCB that exhibits less than 0.005% total harmonic distortion (THD). Additionally a ´soft clipping´ circuit is employed, allowing the signal to maintain an organic wave structure even as the amplifier eventually enters clipping. This dramatically decreases the perceived distortion of the audio signal.
    1kW of Power

    In order to reproduce the dynamics and transient of music facilitated by the EX8 driver, the Opal´s power capabilities were focused on burst power over constant power. Up to 1kW of burst power is available to the Opal to deliver the acoustic energy required at low frequencies.
    EQ Correction

    The Opal´s control electronics were carefully designed, using phase coherent, basic filters that maintain a flat phase response at crossover and equalisation.

    A set of acoustic filters are hidden behind a panel at the front of the cabinet, allowing for painless and simple adjustment of the speaker´s response curve while in position.
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