Lawo mc²90 Technical Details

By: Lawo Ag  09-12-2011
Keywords: surround sound, Signal Processing, Mixing Consoles

  • Frames from 16 + 8 faders to 192 + 16 faders
  • Remote frames of 16 and 32 faders
  • 6 banks per 2 layers
  • 100 mm faders + 8 rotary controls with free assignment + Input-Gain Control; channel display for every fader with sense-triggered change of module display in the channel display
  • TFT metering mono, stereo or 7.1 including bus assignment, gain reduction for dynamics, AfV status, VCA assignment
  • Output of GUI pages, e. g. metering, to external screen
  • Console lighting per fader bay
  • Colour coding per fader, setting per snapshot
  • Fader notch, PFL overpress
  • 33 user buttons
  • Optional: script tray, PPM integration, TB microphone integration
  • 2 U or 5 U 19’’ integration

Signal Processing

  • 512 channels and 144 summing buses, 40-bit floating point
  • Up to 376 inputs with A/B input, 48 sub groups, 32 aux sends, 96 track busses, 48 main sums, change on the fly from mono to stereo to surround channel and bus
  • Up to 64 surround channels, 128 VCA groups, 256 GPC channels
  • Surround formats: DTS/Dolby Digital 5.1, Dolby Pro-logic 4.0, DTS ES / Dolby EX 6.1, SDDS 7.1, DTS-HD 7.1; various panning characteristics, surround aux bus
  • Loudness metering: full integration in mc² mixing consoles - see below
  • AMBIT: conversion of stereo signals to surround sound
  • 2* AFL: 1* surround 8-channel, 1* stereo
  • 2* stereo PFL
  • Audio-follow-Video with 128 events, control via Remote MNOPL protocol, GPI or matrix connect, adjustable envelope with up to 10 s fade time
  • Solo In Place
  • Permanent input metering on the fader; selectable metering of INPUT, PF, AF, DIROUT, on the channel display
  • Modules: INMIX with MS Decoder, digital amp, 2-band fully parametric filter, 4-band fully parametric EQ, 2-band fully parametric sidechain filter, insert, delay up to 1800 ms (units in metres, milliseconds, frames); 4 independent dynamics modules: Expander, Gate, Compressor, Limiter; Image, Meter, Direct Out
  • Inline configuration with send/return switching – on the channel or global
  • 128 VCA masters with metering of up to 8 slaves
  • Fully-equipped surround channel with linking of all channel parameters and Hyper Panning
  • AMBIT upmix with normal channel latency, available for every surround channel
  • Loudness Metering compliant to EBU R128 & ATSC/A85, available for every surround, stereo or mono channel; integrated for every sum and group

Routing Matrix

  • Up to 8192 crosspoints, non-blocking
  • 96 kHz, 24 bit
  • Fully redundant signal path
  • Level adjustment for all inputs and outputs
  • Downsizing up to 7.1 to Stereo
  • Integrated monitoring options for remote workplaces like e. g. director’s room
  • Full networking of up to 16 HD Cores, share and import of sources and destinations, studio arbitration function
  • Full snapshot and production portability independent of matrix or DSP size
  • Level control for every input and output

Loudness Metering *

  • Full integration of loudness metering complying with ITU-R BS.1770
  • Compatible with international recommendations like EBU R128 and ATSC A/85
  • International recommendations are stored as preset, they can be adapted anytime
  • Available in any channel strip
  • Different visualisations can be defined per channel:
    • Classical peak meter
    • Loudness meter
    • Combination of peak and loudness meter displays true peak and loudness complying with ITU-R BS.1770
  • Long-term measurement in all summing channels
  • Exposed display of the measured values in the GUI header
  • Absolute and relative visualisation of the scales and measured values
  • EBU +9, EBU +18 and ITU-R BS.1771 scales
  • True peak metering complying with ITU-R BS.1770 displays true peak values
  • The time slots Momentary (400ms) and Short-Term (3s) can be defined individually for all input and summing channels
  • Using additional LFE measuring and selectable gating settings prepared for future norms

*available with V4.14 SW Release

Plugin Server

  • Full VST plugin integration with storage of plugin parameters in snapshots and production data

Static and Dynamic Automation

  • Snapshot automation, several sequences with trim and fade
  • Dynamic TC automation, recording per parameter, recording of all channel modules incl. Bus Assign, writing data in stop mode, Touch, Glide, Join, Punch In/Out


  • Mic/Line with up to 127 dB dynamic range, subsonic filter 40, 80, 140 Hz Line Out, Adat® (ADAT® is a registered trademark of Alesis, LLC and is used here under license)
  • AES with input and output SRC, transparent Dolby E routing, balanced and unbalanced
  • HD-SDI with up to 270 ms delay on board, MADI 64 & 56 with fibre or coax, ATM, GPIO, Serial, MIDI, RAVENNA AoIP, Dolby En-/Decoder Plug-In
  • Direct intercom connection
  • All interfaces with 24 bit, 96 kHz (for details see DALLIS product information)
  • Monitoring systems stereo and surround


  • Two redundant inputs with automatic detection of Blackburst, Wordclock, AES3, MADI


  • PSUs, DSP card, router card
  • Fully redundant signal path
  • Redundant control system, replaceable during runtime, full data redundancy
  • PSU for control system and control panel


  • Bay-Iso with separate layer and bank switching, plus second PFL/AFL bus
  • Global A/B input switching
  • Enhanced mix-minus (N-M) control with independent off-air conference
  • Fader control of all level parameters
  • Various tally and faderstart modes
  • Programme switch
  • Machine control
  • Audio-follow-Video, up to 128 camera tallies, Ethernet or GPI-controlled
  • Manifold T/B integration
  • Remote control of camera microphone via GPI or phantom power

External Control Systems

  • Remote control of all routing parameters via network
  • Remote control of monitoring units of remote positions
  • Remote control of the integrated router monitor units
  • Remote of signal parameters like SDI, Silence Detects, Mic Gain etc. (for details see documentation RemoteMNOPL)
  • Remote control via network
  • Online configuration via AdminHD; graphic configuration of HD Core components
  • External matrix control for BFE, VSM, Evertz, Miranda, Sony, and others
  • iPhone App

Remote Maintenance

  • Connection via Internet Remote Software
  • Software updates, error diagnostics, remote
  • mxGUI: remote controle of console via laptop

Subject to change without prior notice, no responsibility is taken for the correctness of the details provided.

Keywords: Mixing Consoles, Signal Processing, surround sound

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