Dali Callisto 2C Wireless System

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Stock code: DALI-CLSTO2C-LDSPKR


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    Product Information

    As part of our wireless CALLISTO eco system, the stand mount CALLISTO 2 C represents the virtues of traditional Hi-Fi merged with the convenience of wireless audio. Designed to deliver on DALI’s promise of producing the most natural and faithful reproduction possible.

    The CALLISTO 2 C is perfect for smaller spaces or rooms where the speakers need to remain discreet, but where power and presence are still paramount. The combination of a 6½-inch low-loss wood fibre woofer, a hybrid tweeter module and the perfectly balanced internal cabinet volume results in a supremely accurate and powerful audio experience.

    The CALLISTO 2 C connects wirelessly to the DALI Sound Hub through an extremely stable digital connection. With latency below 25 ms, sync between video and audio from a movie or TV source is obtained well within conventionally acceptable limits.

    Everything from the drivers to the amplifier is developed in-house, which is why we can optimise every single component to match each other perfectly. This enables us to design the woofers to be more linear than would be possible in a similar traditional passive speaker system.

    MQA Certified
    The DALI CALLISTO speakers are MQA Certified. By adding the DALI BluOS NPM-1 module to your system, you can now take advantage of the ever-growing catalogue of studio master recordings that have been encoded into MQA and streamed on services like Tidal.

    WOOFER & SMC

    The unique 6½" CALLISTO 2 C woofer takes low loss and linearity to a whole new level. By controlling the entire signal path from source to driver, the DALI acoustics team were able to elevate audio performance beyond conventional speakers.

    Every element of the CALLISTO woofer is optimised to work in perfect balance with the built-in amplifier, and because of this, the sound stage created is detail-rich, time-coherent and effortlessly immersive. The result is music reproduced exactly as the artist intended.

    We used our experience from developing the OPTICON and RUBICON woofers - combined with a whole lot of listening hours - to optimise the magnet motor to deliver its ultimate. With that knowledge we were able obtain a very linear and perfectly symmetrical suspension within the working area of the voice coil and membrane, only taking control and slowing down the membrane movement at the outermost excursion points.

    The extra linearity obtained both around the voice-coil and in the spider manifests itself in reduction in mechanical distortion and less strain on the amplifier, which leads to more detailing and a better defined sound stage.

    SMC
    The CALLISTO 2 C woofer benefit from the use of SMC in the pole piece. When used in a speaker magnet motor system, it results in a significant reduction of distortion from mechanical loss. SMC’s unique ability to deliver a high magnetic conductivity and a very low electrical conductivity delivers all the wanted qualities of a really good speaker magnet without the traditional downsides.

    As a result of these optimisations and especially through use of SMC, the CALLISTO 2 C benefits from an extremely agile, well-behaved and ultra low loss woofer, that when working in conjunction with the amplifier is able to deliver a richly detailed, time coherent and very powerful audio signal.

    MQA Certified

    The wireless CALLISTO system is now MQA Certified by MQA Ltd. This applies to all the DALI CALLISTO products, when the optional BluOS NPM-1 plug-in module is installed.

    MQA’s award-winning technology captures 100% of the original recording and packages it in a file small enough to stream. When streamed by BluOS to the wireless CALLISTO 2 C speaker through the no-loss fully digital audio transfer, every little detail in the MQA file will find its way to the ear of the listener.

    BluOS was an early adopter of the MQA technology and the DALI CALLISTO 2 C loudspeakers now join the nearly 30 other BluOS Enabled products by NAD Electronics and Bluesound as MQA Certified.

    Hybrid Tweeter

    Like its larger sibling, the CALLISTO 2 C features DALI’s innovative hybrid tweeter module, which was optimised specifically for the CALLISTO series. Combining a dome and ribbon tweeter for astonishing rendering of high frequencies, and a dispersion of high frequency audio that outperforms all other tweeter technologies.

    The dome membrane is very soft and ultra-lightweight, and actually so thin that a coating has to be applied to hold the material together and be uniform in construction. We have optimised the magnet system to maximize flux saturation right at the voice coil area. This optimisation combined with the use of an ultra-thin magnetic fluid for cooling results in better control, power handling and greatly limits distortion.

    The ribbon part of the hybrid module is a magneto-static type tweeter. Four bands of conductive material make up the active diaphragm that is controlled by a strong magnetic field formed around it. The ribbon tweeter is the master of wide dispersion, and combining it with the soft dome, we get a tweeter module that can be utilised as low as 2.0 KHz and continues to perform well above 30 KHz. This extreme bandwidth combined with the ultra wide dispersion is an important part of the DALI sonic definition.

    Amplifier

    Designing a ‘best in class’ active speaker system is the sum of many parts. One truly important part is the amplifier, or more correctly the amplifier module. Any quality amplifier module consists of three equally important parts that need to be designed to work together in perfect harmony: the amplifier itself, the PSU and the signal processing. The delivery from the signal processing and the PSU to the amplifier circuitry must adhere precisely to the amplifiers needs and demands. Only in this way can you achieve an undistorted, uncoloured and coherent amplification.

    The CALLISTO 2 C Class D amplifier is based on patented state-of-the-art technology with a global feedback and self-oscillating design chosen for its very musical properties. Being able to deliver 250 Watts for up to 5 seconds, there is plenty of power to ensure more than enough sound pressure even in complex musical passages or massive explosions in movies.

    Cabinet

    Designing a ‘best in class’ active speaker system is the sum of many parts. One truly important part is the amplifier, or more correctly the amplifier module. Any quality amplifier module consists of three equally important parts that need to be designed to work together in perfect harmony: the amplifier itself, the PSU and the signal processing. The delivery from the signal processing and the PSU to the amplifier circuitry must adhere precisely to the amplifiers needs and demands. Only in this way can you achieve an undistorted, uncoloured and coherent amplification.

    The CALLISTO 2 C Class D amplifier is based on patented state-of-the-art technology with a global feedback and self-oscillating design chosen for its very musical properties. Being able to deliver 250 Watts for up to 5 seconds, there is plenty of power to ensure more than enough sound pressure even in complex musical passages or massive explosions in movies.

    Technical Specifications

    Product series CALLISTO
    Maximum SPL [dB] 108
    Crossover Frequency [Hz] 2,700
    Crossover Principle Hybrid Full Active 24 bit DSP and Passive All Analogue
    Hybrid tweeter module, Super high freq. driver, Quantity 1 x 17 x 45 mm
    Hybrid tweeter module, Super high freq. driver, Diaphragm type Ribbon
    Hybrid tweeter module, High frequency driver, Quantity 1 x 29 mm
    Hybrid tweeter module, High frequency driver Diaphragm type Soft Textile Dome
    Low frequency driver, Quantity 1 X 6½"
    Low frequency driver, Diaphragm type Wood Fibre Cone
    Enclosure type Bass Reflex
    Bass Reflex Tuning Frequency [Hz] 46.0
    Max. Amplifier Power Output [RMS watt] 250
    Amplifier Type Discrete Class D (Closed Loop, Self Oscillating)
    Onboard DAC Burr Brown PCM1796 (Balanced output)
    Input Impedance [ohms] 5,000
    Connection Input ADC-in (RCA)
    Wireless Input(s) Full 24 Bit / 96 kHz (No bit-loss attenuated)
    Max. Digital Resolution [bits/KHz] 24 / 96
    Recommended Placement Shelf or stand
    Recommended Distance From Wall [cm] 10 - 80
    Max. Power Consumption [W] 325
    Standby Power Consumption [W] 1.2
    Dimensions With Base (HxWxD) [mm] 393 x 200 x 321
    Weight [kg] 10.1
    Accessories Included Manual | Rubber Feet | Front Grille
    Input Sensitivity [mV] 1,700
    Input Mains Voltage [Volts] 100 - 240 (Universal mains)

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