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DiGiGrid IOC

24-Bit/192kHz lydkort med 2 micpre, AES/EBU, ADAT,8 linje & 2x headset

DiGiGrid IOC
Varenr.: 104211
Lagerstatus: På lager
kr 18 995 inkl. mva. kr 15 196 eks. mva.
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DiGiGrid IOC er perfekt i kontrollrommet og gir deg en mengde tilkoblingsmuligheter: To høykvalitets mikrofonforsterkere og to hodetelefonforsterkere i front. 8 linje inn og ut, 16 AES/EBU inn og ut og 16 ADAT inn og ut. Via nettverkskontakten på computeren din har du tilgang til superrask lytting, miksing og innspilling. Legger du til en SoundGrid-server som du finner i DiGiGrid IOS eller DiGiGrid DGS kan du kjøre hundrevis av plug-ins fra Waves, Plugin Alliance og Flux:: med nær-null-forsinkelse lytting, fullt integrert med programmer som Logic, Pro Tools, Live etc.

Funkjsoner:

  • SoundGrid interface 
  • Frittstående lydkort
  • 8 linjeinnganger
  • 8 linjeutganger
  • 2 Digico høykvalitets mikrofonforsterkere*
  • 16 x ADAT
  • 16 x AES/EBU
  • 2 individuelle hodetelefonforsterkere
  • Frontpanel "quick-view" meter
  • 44.1 - 192kHz (SounGrid støtter opp til 96kHz pr. i dag)
  • Superlav latency: 0.8 ms
  • Tilkobling via ethernetporten på computeren
  • SoundGrid, ASIO og Core Audio
  • Waves eMotion ST / Waves Studio Rack programvare

*Behind DiGiGrid’s Top-Grade Microphone Preamplifiers:

The Challenge:
A microphone preamplifier is not just about amplifying small signals. If that were the case, designing preamps would be easy! Preamps have to perform in the harshest environments. A microphone signal often starts off at very low levels—sometimes a millivolt or so. It then has to travel down very long cables, possibly through patch bays, before arriving at the amplifier input. Along the way it is subjected to many problems. One of them is electromagnetic interference: a long mic cable makes a perfect antenna for picking up radio interference, and stages today are full of such devices, from radio mics and walkie-talkies to wireless Ethernet, to mention just a few examples. Other factors, such as static, can also cause interference. The preamp also has to withstand abuse such as shorting phantom power to ground. This can result in large -48V transients being applied to the delicate front end.

So, a good microphone preamp has two tasks:
1. It has to faithfully amplify and reproduce the small signals from the microphone
2. It has to prevent the pickup of any erroneous noise or abuse.

The Design
Designing a very low-noise preamplifier that can work in harsh conditions is not a simple task. This is why DiGiGrid audio interfaces feature top-of-the-line mic preamps by DiGiCo, who after more than 30 years of mic preamp evolution have arrived at their best design yet.

Let’s start at the front end:
• DiGiCo preamps have state-of-the-art transient suppressors that can clamp spikes within 5 ns and absorb up to 600-watt peaks.
• Following this, a LC Delta/PI network prevents any RF from getting through.
• Finally, there are two clamp diode arrays just in case anything made it through the first two barriers.

We then get to the mic preamp itself: Its input stage provides an impedance to the microphone which is constant over the audio spectrum. This is important for preventing the introduction of artifacts into the microphone signal. The front end of the preamp is based on the best available bipolar amplifiers today. They provide a very consistent ultra-low-noise input, so each amplifier sounds exactly the same. These inputs are also capable of handling very high-signal levels (at low gains) of over 26 dB without clipping.

The preamp gain is 100% digitally controlled, providing a smooth padless gain range from -20 dB to +60 dB. The gain steps are carefully controlled and utilize zero voltage crossing detection to ensure that any gain change is done silently. On top of this, the preamp is instructed to mute when phantom power is applied in order to prevent loud transients. By applying digital control to the front end gain, we can ensure that the dynamic range and the signal-to-noise ratio are always optimized.

A microphone preamplifier in a digital mixer can only be as good as the A-to-D converter. Having a low-noise front end can often be compromised by the selection of the converter. At DiGiCo there is no compromise. After looking around for the market leader in performance and ignoring the price, DiGiCo found the ideal partner in Burr Brown. Their multibit delta sigma converter provides over 123 dB of input dynamic range, ensuring that the converter would never compromise the performance of the preamplifier. - Technical Director – DiGiCo

The Result
So there we have it: an ultra-robust front end mic preamp that can faithfully amplify and reproduce delicate microphone signals, even in the harshest environment

Custom-designed with the control room in mind, the DiGiGrid IOC audio interface features a variety of connectivity options: 2 mic/line inputs with broadcast-grade preamps, 8 line inputs/outputs, 16 AES inputs/outputs, an ADAT input/output, plus two powerful headphone outputs. Plug into the SoundGrid network using a single Ethernet cable, and the IOC will open up a world of real-time tracking, mixing and monitoring, with super-low latency of only 0.8 milliseconds. With the DiGiGrid IOC and a SoundGrid DSP server, you can run hundreds of SoundGrid-compatible plugins from Waves and other developers, all fully integrated within your DAW.

Main Features:

  • ASIO- and Core Audio-compliant audio I/O for Native DAWs
  • 2 mic/line inputs with broadcast-grade preamps and 8 line inputs
  • 8 line outputs and 2 headphone outputs
  • 16 AES ins/outs, ADAT ins/outs
  • Connects via a single Ethernet cable (Cat 5e/Cat 6)
  • Quick-view front panel metering
  • High-definition 192 kHz ADC conversion


DiGiGrid IOC Control Panel

  • Clock settings: source, sample rate, type, status
  • Mic preamp controls: input gains, phantom on/off
  • Input and output meters
  • Save and load presets of unit settings
  • Save your settings along with your Waves and SoundGrid host application sessions


For further information on how to use the control panel, see the DiGiGrid IOC manual.

General

  • 8x line inputs (25-pin DB25)
  • 8x line outputs (25-pin DB25)
  • 16x AES/EBU I/O (25-pin DB25)
  • 1x ADAT I/O (8 channels @ 48kHz). (4 channels @ 96 kHz and 2 channels @ 192 kHz will be supported in the future)
  • 2x Mic inputs (XLR/TRS combo)
  • 2x SoundGrid RJ45 Ethernet ports
  • 1x Word clock I/O
  • 1x AC input
  • 2x headphone outputs with analog level knobs
  • 1U rack-mounted
  • Supported sample rates: 44.1, 48, 88.2 and 96 kHz (176.4 and 192 kHz will be supported in the future)
  • Clock Synchronization via Word Clock input, AES/EBU, SoundGrid (SoE), Internal
  • Reset switch
  • Multiple broadcast level format settings (jumpers on all analog I/Os)
     

Inputs

  • Mic input impedance: 2K5 Ohms
  • Phantom power: 48V
  • Line input impedance: 8K0 Ohms
  • Mic gain range:0 dB to +52.5 dB in 7.5-dB steps. Fine control provides an additional 0dB to 7dB in 0.5-dB steps
  • Mic maximum input level: +26dB
  • Line maximum input level: +36dB
  • Mic equivalent input noise: >-126dB (150 Ohm source, Gain +59.5dB)
  • Frequency response: +/-0.5dB 20Hz to 20kHz
  • Channel separation: Better than 90dB (40Hz to 15kHz)
     

Outputs

  • Maximum line output level: +22dBu
  • Residual line output noise:<90dB (20Hz to 20kHz)
  • Frequency Response: +/-0.5dB (20Hz to 20kHz)
  • Line output impedance: 50 Ohms
  • Channel separation: Better than 90dB (40Hz to 15kHz)
  • Harmonic Distortion: Typically <0.01% @ unity gain, -10dB input @ 1kHz
     



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