Dali Oberon 7 Floorstanding Loudspeakers

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"

... it’s immediately obvious this is an open sounding design with a subtly warm tone, smooth integration of drive units, lots of detail and a deep, articulate bass... the speaker gives a large and fulsome sound that projects the stereo image well out of the box, pushing beyond the physical limitations of its cabinets with a decent amount of stage depth, too.

FINAL VERDICT: Talented budget floorstander with impressive big sound.

"
- Hi-Fi Choice - 5 Stars
Stock code: DALIOBERON7


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    Product Information

    With the launch of the DALI OBERON loudspeaker series, Dali have picked the best elements from their current speakers and brought them together in a series that delivers on audio quality, looks and versatility.

    This large floor-standing OBERON 7 speaker features 2 x 7” wood fibre SMC based woofers and an oversized 29 mm ultra-lightweight soft dome tweeter.

    This, combined with the large but elegant cabinet, delivers the very best in deep bass and large room performance. Despite its size, this speaker is surprisingly delicate and will impress with its ability to render any music style naturally and lifelike even at lower volumes. This makes the OBERON 7 perfect for almost any audio setup and any music or movie style.

    With the OBERON 7, Dali have made it easy to integrate your loudspeakers into any room. Both the driver materials and geometry applied in the OBERON 7 has been selected to achieve a wide dispersion pattern in the listening area. The same principles have been applied in the design of the crossover.

    As result, you will experience a well-integrated sound, even when listening at a significant off-axis angle. This is important as you are rarely seated directly in front of your loudspeakers when listening to music. An added benefit is seriously reduced harmonic distortion and diffractions causing frequency distortion, as these will always be stronger in an on-axis response. This is also the reason why all DALI speakers are not designed to be toed-in.

    Woofer
    The OBERON 7 features a pair of 7" low-loss woofers that are optimised with a new wood fibre structured cone which is dedicated to reproduce the delicate midrange and bass frequency area - like every other driver made by DALI. It is constructed from a blend of fine grain paper pulp and reinforced with wood fibres, which creates a stiff, light-weight and well-behaving structure. In combination with a low-loss surround and spider suspension, this cone reproduces the micro details in the signal - unfiltered and with high accuracy.

    For the OBERON 7 and OBERON 3, Dali chose a 7" driver with a membrane that has a 15% larger dimension than the common 6½ market standard. The larger cone area allows a lower voice coil excursion at the same sound pressure level compared to a 6½ woofer. It also allows a higher maximum sound pressure level, which leads to an effortless reproduction of the dynamics in the music.

    The membrane terminates in a rubber surround that is chosen for its soft and very flexible properties. This gives the membrane free movement with a very low dampening effect, and leaves the magnet motor to control the membrane movement.

    SMC
    The use of SMC in the OBERON 7 greatly reduces mechanical distortion caused by hysteresis and eddy currents. These combined improvements in the magnet motor system results in a lowering of third order distortion. This allows the OBERON 7 to present longer listening pleasure, a relaxed midrange and a surprising amount of detailing for the class.

    The magnet motor itself consists of a large ferrite magnet that surrounds a pole piece made with a unique combination of iron and SMC. The iron ferrite forms the lower base of the pole cylinder, topped of with 10 mm SMC disk to crown the pole piece. This combination minimizes the negative effects of the iron, while placing the SMC disk right in the main working area of the 4-layer voice coil. This placement ensures the maximum effect from the SMC on the voice coils environment, resulting in a greatly improved constant flux field.

    Tweeter
    The brand new 29 mm ultra-light soft dome tweeter used in the OBERON 7 is manufactured by DALI and has been developed specifically for the OBERON series - combining well proven technologies from our existing DALI ranges with new features.

    The oversized 29 mm membrane is constructed based on an ultra-light wave weave fabric and is additionally optimised for a larger bandwidth in its lower frequency area. This ensures the optimal handover from the midrange woofer to the tweeter, creating a well-balanced, unforced and very coherent upper midrange. Compared to most soft dome tweeters in the market, the DALI dome material is less than half the weight (0.060 mg/mm2).

    The large size of the membrane lets the tweeter generate higher sound pressure with less excursion, keeping the voice coil motion to a precise minimum.

    The tweeter front plate near the dome has been designed with similar geometry as the OPTICON and RUBICON tweeters to create the optimal working conditions for the soft dome. The aim is to combine an extended frequency response with wide dispersion and low coloration.

    Cabinet
    The cabinet housing of the OBERON 7 is constructed from high-density CNC machined MDF board - dressed in carefully selected high-grade vinyl. The OBERON 7 cabinet employs a very rigid construction, with solid bracings across the inside of the cabinet for reinforcement. This contributes to the stiffness and practically eliminates resonance within the cabinet.

    To optimise timing, the speakers are fitted with acoustic damping material internally along the sides, top and bottom. This creates a more direct contact between woofer and bass port. The audible result is a more precise bass and increased ‘attack’ in the midrange.

    The bass ports are placed on the rear of the OBERON 7, optimising room integration by utilising the wall for improved bass performance.

    With the OBERON range, DALI introduces a brand new front grille design. The new rounded front grille adds a lighter and more contemporary visual look to the speaker series. 'Mountain Grey' is the standard grille supplied with the light finishes (White and Light Oak), while 'Shadow Black' is standard on the dark finishes (Black Ash and Dark Walnut). For an all white look, 'Marshmallow White' is also available as an accessory.

    The elegantly shaped aluminium base gives the floor-standing OBERON 7 a lighter look.

    Technical Specifications

    Frequency Range (+/-3 dB) [Hz] 36 - 26,000
    Sensitivity (2,83 V/1 m) [dB] 88.5
    Nominal Impedance [ohms] 6
    Maximum SPL [dB] 110
    Recommended Amplifier Power [W] 30 - 180
    Crossover Frequency [Hz] 2,300
    Crossover Principle 2-way
    High frequency driver, Quantity 1 x 29 mm
    High frequency driver, Diaphragm type Soft Textile Dome
    Low frequency driver, Quantity 2 X 7"
    Low frequency driver, Diaphragm type Wood Fibre Cone
    Enclosure type Bass Reflex
    Bass Reflex Tuning Frequency [Hz] 39.5
    Connection Input Single Wire
    Recommended Placement Floor
    Recommended Distance From Wall [cm] 20 - 80
    Dimensions With Base (WxHxD) 200 x 1015 x 340
    Weight 14.8
    Accessories Included Manual | Rubber Feet | Spikes | Front Grille

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