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Solid State Logic Sigma Delta
Solid State Logic Sigma Delta
 
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List Price: $4,799.00
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Product Code: 9999-14712



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Solid State Logic Sigma δelta

The Solid State Logic Sigma δelta is designed for the DAW user that seeks the legendary big sound of an SSL console while retaining the convenience of working in the box. The latest upgrade to Sigma adds SSL δelta-Control, an all-new Remote Control App and enhanced MCU control.

Sigma δelta seamlessly brings the analogue joy of mixing on an SSL console into your DAW dominated workflow. Using MDAC technology unique to SSL, Sigma takes the SuperAnalogueTM mix buss from SSL's Duality and AWS consoles and delivers it in a 2U rack design, with complete remote control of the analogue signal path, using either a hardware control surface and/or a simple Remote Control Application, and/or directly from your DAW using the innovative SSL δelta-Control (δ-Ctrl) plug-in. Now anyone who can drive a DAW can mix on an SSL.

Consistent feedback from the world's leading producers demonstrates that analogue summing still brings a record together in a special way that no emulation plug-in can match. Sigma δelta and SSL's no-compromise approach to designing audio circuits, delivers summing with an extended low-end frequency response, wide stereo imaging, clarity, depth and detail. When it comes to sonic tone and character many leading engineers state that a significant part of their 'sound' is the magic that happens when you drive the analogue mix buss of a console a little too hard...that delicate cohesive distortion only a pushed analogue mix buss brings their mixes. This is exactly the case with Sigma. It is at its best when pushed to that "sweet spot", to the point where it yields that extra sonic dimension which has always been part of the legendary SSL sound.

Sigma δelta combines its true analogue tone and depth with complete integration into a DAW dominated workflow. In today's commercial environment, fast turnaround of productions, with multiple mix tweaks and revisions, engineers and producers depend upon instant recall of all their settings. Sigma meets this demand. As Sigma's levels are driven from your DAW, the mix recalls instantly upon session load. Furthermore, every setting on Sigma itself (mix buss routing, monitoring section and settings) can be saved and recalled at the click of a button.

Sigma’s versatile dual mix buss, individual direct output and insert architecture also provides a streamlined means of applying analogue signal processing within your DAW workflow and simplifies printing processed material back to your DAW.

Sigma δelta also features a dual output studio monitor and headphone switcher and talkback system which is completely remote controllable. Sigma is setup from a cross platform Remote App that offers full standalone control of Sigma δelta. Running on a Mac, PC, or IOS tablet the app also performs as a superb remote control for the monitor switcher/talkback.

Sigma can also be controlled from any 16 fader MCU compatible control surface. MCU control can be used independently or in conjunction with the Remote app and D-Ctrl. The use of MCU control of Sigma facilitates direct control over the Sigma analogue mix path and monitor switcher from SSL’s Nucleus DAW controller or any other Ethernet equipped MCU enabled hardware control surface. Sigma’s MCU control requires no DAW software to be active, neither is there any requirement for the App to be open or even for a PC to be running. MCU control simply requires a 16 fader MCU compliant surface to be connected via a Network cable to the same DHCP server or router that Sigma is connected to. The Nucleus/Sigma fusion becomes a fully integrated 32 into 4 automated line mixer, with full monitoring and talkback capabilities. Sigma can also be used in combination with Duality, AWS and Matrix to add additional automated mixing capacity. Inserting Sigma δelta across the insert points of an XL desk, instantly adds automation to the console.

Third party controllers with MCU emulation will also function but channel banking is not supported at this time so a single 8 fader controller can only access the first 8 channels. Writing automation from an MCU Control Surface connected to Sigma is not supported with Logic Pro.

Sigma is powerful and very flexible
It has 16 stereo input channels which can be individually switched between being mono or stereo for up to 32 channels at mixdown. There is accurate metering for all channels via LED meters on the Sigma hardware unit. There are two stereo mix busses with dedicated outputs and individual stereo insert points to facilitate implementation of parallel compression or convenient printing of stems back to the DAW with processing applied. Mix Bus B can also be injected into Mix Bus A for final mixdown. Providing further flexibility, Mix Bus A & B inserts also include an 'insert sum' feature to sum the insert return to the mix bus.

Each input channel also features individual direct outputs for printing individual channels back to your DAW. The inclusion of direct outputs streamlines integration of analogue processing, with a typical configuration connecting DAW I/O outputs to outboard processor inputs, then processor outputs to Sigma inputs and Sigma direct outputs back to the DAW I/O. Unlike "dumb" analogue summing boxes, with this configuration, the gains of each channel on Sigma are automatable POST the outboard processors eliminating the effects of volume change inside the DAW riding into outboard compressors.

An Artist and Studio monitoring section provides separate Monitor and Headphone circuits. The Main monitor output has Main and Alternative connections to accommodate 2 sets of monitors. A comprehensive switching matrix enables selection of monitor source and output. A large front panel level control uses a push-select mechanism to determine whether it adjusts Mix A, Mix B, Main Monitor or Headphone. There is also a Talkback input with adjustable Dim level. A handy front panel ijack input (3.5mm stereo socket) feeds into the monitoring section.

The Sigma Remote app offers full control of all Sigma functions plus store and recall of saved settings. It runs on a Mac, PC or IOS tablet device and connects to your workstation via Ethernet (or wirelessly from a tablet). The user interface provides a series of intuitive pages that makes controlling Sigma's powerful feature set straightforward. Three main screens provide control and setup of the Master Section, Channel Control and Global Settings parameters. Every parameter can be saved for future recall making swapping between projects simple and efficient. Pan control for stereo channels cannot be automated but can be controlled from the app or remote surface.

Sigma δelta supports full remote control of the mix engine from any 16 fader MCU compatible control surface such an SSL Nucleus. Supported channel functions are level, pan, solo, mute, mono/stereo, and mix bus routing. Channel labels and Meter data as well as volume and pan data are returned to the surface for display. The Dim, Cut, Mono and Alt monitor functions, as well as Talkback, can be controlled from MCU F-Keys. MCU control is via MIDI over Ethernet and shares the same Network link as the Remote app and δelta-Control. MCU control is totally standalone and does not require any software to be active or even a PC/MAC to be connected to the Network. MCU control is upstream of δelta-Control so the controller faders can be used to enter automation data into the DAW (NOTE restrictions apply with Logic Pro) empowering the controller/Sigma fusion to function as a true analogue console.

The Sigma rack unit houses the analogue summing engine, provides connectivity, a set of bright status and level LED's, hardware controls, headphone socket and ijack input. A pair of user assignable dual action push/hold buttons on the front panel plus a foot-switch input can be assigned to the master section functions. The rear panel provides dedicated XLR connections for the Mix Bus A and the Main and Alt monitor outputs. The individual line inputs and direct outputs are connected via standard 25pin D-Sub. An additional pair of D-Sub connections handle Mix Bus inserts, Mix B output and line level Talkback input.

δelta-Control (δ-Ctrl) - The unique new SSL console automation system unites the very best of automation in the analogue console domain with DAW based workflow
δelta-Control (δ-Ctrl) is a native AAX/RTAS/VST/VST3/AU plug-in that allows automation of Sigma channel volume as if it were a DAW Plug-in. The automation system in the DAW is used to record and playback Sigma volume control data entered either directly from the fader in the plug-in GUI or from a MCU control surface which is controlling Sigma directly. The δ-Ctrl rl plug-in is inserted into a DAW mixer audio or aux channel. The plug-in then receives and sends volume data from Sigma Delta via a high speed Ethernet Network connection. Audio on the DAW track passes through the plug-in slot unprocessed so the plug-in can be combined with other DAW plug-ins. Sigma’s Volume and Mute switch are represented as plug-in parameters in the δ-Ctrl plug-in GUI and their automation data is recorded to the automation lane of the selected DAW channel. In playback the plug-in converts the stored automation data from the DAW into δ-Ctrl messages and routes these back to Sigma via the SSL Logictivity Network connection.

Automation data can be viewed and edited as normal plug-in data in the DAW tracks. Sigma’s volume data is saved using the same dB law as your selected DAW track volume data so that the ‘Paste Special’ command can be used to copy existing DAW fader data into the plug-in. The Paste Special feature is available in Pro-Tools and in most but not all DAWs.

Writing automation from an MCU Control Surface connected to Sigma not supported with Logic Pro.
Unfortunately during testing of the δ-Ctrl automation system it became apparent that SSL cannot currently reliably overcome an inherent limitation in the architecture of Apple's Logic Pro software. Logic prevents any controller from controlling more than one plug-in at a time. Viewed purely within an 'inside-the-box' paradigm this makes some sense in that the control interface is the mouse or trackpad but it presents significant limitations to the way hardware controllers can be used with the software. SSL did devise a workaround but it has proven to be unreliable with some systems during testing so it is with much regret that the current release of the δ-Ctrl system for Sigma requires automation data to be entered either from on screen fader in the δ-Ctrl plug-in GUI or using the editing tools in Logic. SSL is now working on a completely new 'fix' for this limitation but it will take some time. Please feel free to lobby Apple to remove this limitation from their software.

Solid State Logic Sigma δelta Features

  • Advanced δelta-Control automation driven SSL SuperAnalogue™ mix engine
  • Works with all major DAW's including Pro Tools, Logic, Cubase/Nuendo, Ableton Live
  • 16 flexible channels individually switchable between stereo or mono for up to 32 channels at mixdown
  • 2 stereo mix busses with individual stereo insert points
  • Independent Main and Alternate Monitor outputs
  • Direct outputs on all channels
  • Talkback facility with adjustable Dim level
  • Intuitive cross platform Remote Control app
  • Full ‘MCU’ Hardware Control Surface support
  • High speed ‘Logictivity Control’ via single Ethernet cable
  • Setup Concepts:
    • Sigma communicates with your computer a little differently to what you may be used to... it is worth reading this, all of which is covered in detail in the User Guide, before setting up.
      • Sigma is an analogue summing unit which can be controlled from a cross platform Remote app, from a MCU compatible control surface using MIDI control, and from a DAW via the d δelta-Control plug-in.
      • The Remote app and the δ-Ctrl plugin use a standard Ethernet connection to communicate with Sigma.
      • MCU control and MIDI control uses an application called 'IP MIDI' which runs on your computer to route MIDI data to Sigma via the same Ethernet cable that carries the Remote app and δ-Ctrl messages. The MCU or MIDI controller should have a network port, not a USB port, and must be ipMIDI compatible. SSL’s Nucleus controller meets these requirements. To use a third party USB connected controller, a mechanism to route MIDI data from the controller ports to ipMIDI ports is needed. There are a number of third party apps that will achieve this, for example MIDI patchbay for the MAC platform.
      • δ-Ctrl, the Remote app and IP MIDI require that a network connection exists (via Ethernet) between your computer and Sigma. This is set up in a similar way to configuring a wireless hub and requires selection of appropriate settings in your network control panel in your computer.
      • To use a tablet/smartphone device (iPad etc) to control Sigma you will need a Wireless Router or wireless access point (AP), to which your computer and Sigma are already connected (using physical Ethernet cables). You simply connect to your tablet via WI-FI from the Wireless Router or access point. This allows the Remote app to control Sigma. This is necessary as Sigma does not have a wireless connection of its own.
      • The network and MIDI control aspects of Sigma are entirely separate to the audio side of Sigma. All audio connections are made between the Sigma unit and your Computer audio interface/converters.

Solid State Logic Sigma δelta Specifications

  • Physical
    • Depth: 320mm / 12.75" casing only
    • Height: 89mm / 3.5" (2RU)
    • Width:
      • 435mm / 17" casing only
      • 482mm / 19" including rack ears
    • Weight: 5kg / 11pounds
    • Power: <60Watts
    • Boxed size:
      • 510mm x 570mm x 280mm
      • 20" x 22.5" x 11"
    • Boxed weight: 10kg / 22 pounds
  • Connections
    • Power Supply: IEC3203-pin connector, 100–240Vac,50–60Hz
    • DC Power: 2mm DC power jack,+12V,<3A
    • Analogue I/O:
      • 25-pin D-type socket, balanced, Z in>10kΩ, Zo ≈ 100Ω
      • 3-pin XLR-M, balanced,Zo ≈ 100Ω
    • Headphones: Stereo 1/4"jack socket, Zo ≈ 75Ω
    • Footswitch: Stereo 1/4" jack socket (1circuit)
    • iJack: Stereo 3.5mm jack socket, Zi ≈ 10k
    • Network: 8P8c modular connector; ‘RJ-45’ type (100bT,Cat5)
    • USB: 1 x type-B chassis socket (SSL diagnostic use only)
  • Performance
    • Maximum I/O Level: +18dBu, +22dBu or 24dBu
    • Frequency response: 20Hz–40kHz±0.3dB
    • THD+N: <0.025% (20Hz–20kHz)
    • Noise
    • CHIP to CHOP: <–83dBu@+24dBu (20Hz–20kHz)
    • CHIP to MIXA: <–75dBu@+24dBu (20Hz–20kHz)
      (stereo,all channels routed)

Solid State Logic Sigma δelta Includes

  • Sigma δelta
  • Onboard IP Software Control
  • Manuals & Literature
  • 1 Year Warranty
  • IEC Power Cable

Solid State Logic Sigma δelta Downloads

What We Think

The Solid State Logic Sigma δelta gives you the mix engine of the popular, though comparatively quite expensive SSL AWS900 48 console, in just 2 rack spaces, complete with the ability to automate ANALOG(UE) level changes within the unit via your DAW's onboard automation. Cascading Mix A into Mix B while duplicating the inputs to both will result in classic SSL mix bus coloration; just add a Solid State Logic XLogic G Series Compressor. All said and done, the Solid State Logic Sigma δelta is a massive cost saving value which gives you the best sonic performance aspects of running your mix through a real SSL console, while taking advantage of all of the conveniences afforded by DAWs and SSL licensed plug-ins from both Waves SSL 4000 Collection and Universal Audio's Apollo and UAD-2 platforms.

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