Allen and Heath dLive CDM48 48-Input/23-Output MixRack Engine

 

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Dale #:ALLE-DLIVECDM48

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  • The MixRack is the heart of any dLive system. It houses the XCVI processing core complete with audio I/O, control and audio networking ports. It is typically connected to a dLive Surface, but can also be controlled at the same time as or even without a Surface using a laptop or iPad, Allen & Heath IP remotes or third party controllers via TCP/IP.

    There are different sizes of dLive MixRack available. All feature the same mix engine and can work with the full 128 channels by adding DX expanders or digital sources.

    Features:

    • 48 mic/line inputs, 24 line outputs
    • XCVI 160×64 FPGA core
      • 96kHz sample rate
      • Variable bit-depth for ultimate precision and noise performance
      • Virtually infinite mix headroom thanks to 96bit accumulator
      • Class leading, ultra-low latency at 0.7ms
    • 128 Input Channels with full processing
    • 64 Mix Outputs with full processing
    • Configurable 64 bus architecture (group, FX, aux, matrix, mains)
      • LR, LCR and up to 5.1 mains mode
      • Multiple PFLs
    • 16 RackExtra FX with dedicated stereo returns
    • 24 DCAs
    • Built-in signal generator and RTA
    • New preamp design for extra transparency
    • Unique Active PAD circuit for consistent performance with any source
    • Connection hub
      • gigaACE gigabit link to Surface
      • 2x DX links for I/O expansion
      • I/O Port – 128 ch 96 kHz
      • Dedicated ME-1 48kHz port
      • 2x Network ports
      • Wordclock BNC I/O
    • Flush front panel with ultra quiet fan
    • Reversible rack ears design


    XCVI CORE
    The power of dLive emanates from the XCVI Core – pioneered by the Allen & Heath R&D team using next generation FPGA technology, with 36 parallel virtual processing cores generating enough power for 160×64 channels of processing at 96kHz sampling rate. Six parallel mixing engines within the Core calculate over 10,000 cross points per sample, while the FPGA router has capacity for 3,000 x 3,000 audio paths. The massive power of XCVI (25 billion operations per second) allows dLive to deliver 128 full processing inputs and 16 stereo FX returns, a configurable 64 bus architecture, variable bit depth for ultimate precision and noise performance, a virtually infinite mix headroom thanks to a 96bit accumulator, and class leading latency at an ultra-low 0.7ms.

    DEEP PROCESSING
    Our DEEP processing architecture embeds class-leading compressors and processing emulations directly within dLive’s input and mix channels. An array of bespoke algorithms including graphic EQs, preamp and compressor models can be inserted on the fly without burning FX slots and without the setup, latency and licence hassles associated with external plug-ins – they’re right there, where you need them, whenever you need them. The compressor models capture the audio nuances and non-linear ballistics of industry classics, ranging from a Slow-Opto model, various RMS detection and soft knee circuits, through to super-fast peak and RMS based compression/limiting devices.

    RACKEXTRA FX
    The RackExtra FX portfolio combines the pristine quality and wide choice offered by boutique plug-ins with the convenience and low latency of onboard processing. It’s no secret that we have a passion bordering on obsession for crafting painstakingly faithful emulations of the most revered analogue outboard equipment. Drawing on the power of the XCVI Core, we have built hugely potent DSP kernels within the FPGA, allowing us to integrate our proven library of reverb, delay and modulator algorithms into dLive, with 16 FX slots available, each with a dedicated stereo return.

  • Inputs  
    Mic/Line XLR Inputs Balanced XLR, +48V phantom power
    Mic/Line Preamp Fully recallable
    Analogue Gain +5 to +60dB, 1dB steps
    Pad -20dB Active PAD
    Maximum Input Level +30dBu (PAD in)
    Input Impedance >4kΩ (Pad out), >10kΩ (Pad in)
    Mic EIN -127dB with 150Ω source
    Phantom Power indication Per socket, internal or external phantom power sensing, triggered at 24V
    Digital Inputs  
    Type AES3 2 Ch XLR, 2.5Vpp balanced terminated 110 Ω
    SRC range 32k - 192kHz, with bypass option
    Outputs  
    Analogue XLR Outputs Balanced, Relay protected
    Output Impedance <75Ω
    Nominal Output +4dBu = 0dB meter reading
    Maximum Output Level +22dBu
    Residual Output Noise -92dBu (muted, 20-20kHz)
    -90dBu (muted, 20-40kHz)
    Digital Outputs  
    Type AES3 2 Ch XLR, 2.5Vpp balanced terminated 110 Ω
    Rates 96kHz sampling rate, switchable to 48kHz, 44.1kHz
    System
    Measured balanced XLR in to XLR out, 20-20kHz, minimum Gain, Pad out
     
    Dynamic Range 110dB
    Input Sensitivity -60 to +15dBu
    System Signal to Noise -92dB
    Frequency Response 20Hz - 30kHz +0/-0.8dB
    THD+N (analogue in to out) 0.0015% @ +16dBu output, 1kHz 0dB gain
    Headroom +18dB
    Internal operating Level 0dBu
    dBFS Alignment +18dBu = 0dBFS (+22dBu at XLR output)
    Meter Calibration 0dB meter = -18dBFS (+4dBu at XLR out)
    Meter Peak indication -3dBFS (+19dBu at XLR out)
    Sampling Rate 96kHz +/- 20 PPM
    ADC 24-bit Delta-Sigma
    DAC 24-bit Delta-Sigma
    Latency 0.7 ms (MixRack XLR in to XLR out, Input to Mix)
    + 5 samples, Surface to Mixrack (GigaACE hop)
    + 8 samples, DX32 to Mixrack (DX hop)
    Operating Temperature Range 0 deg C to 35 deg C (32 deg F to 95 deg F)
    Mains Power 100-240V AC, 50-60Hz, 110W max
    USB Audio playback Mono/stereo .WAV files, 16/24bit, 44.1/48/96kHz
    USB Audio recording Stereo .WAV files, 24bit 96kHz
    Dimensions and Weights  
    Width x Depth x Height x Weight 481.6 x 309 x 310 mm 7U (19"x 12.2"x 12.2") x 12kg (26.5lbs)
    Width x Depth x Height x Weight, Boxed 600 x 430 x 470 mm (23.6"x 16.9"x 18.5") x 14.5kg (32lbs)
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