Solid State Logic X-EQ manual Non- Linear Phase EQ

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filters a s precise and clean as pos sible. For control led generation of distortions we recommend using enhancers or any other specialised processors wi th proper built-in anti - aliasing technology.

4.4 Non- Linear Phase EQ

Phase shift in equ ipment is probably one of t he m ost misunderstood topics in audio. Phase shifts often get blamed for anything that is not classed as typical distortion. The reality is that all analogue EQs produce a deviation from linear phase which is specifically related to the shape of the EQ curve, and it is precisely these phase changes which produce the required gain reductions. This is a very natura l process which can be found in th e aud io characteri stics of room s, materials and elsewhere.

Though it is not possible for us to detect phase in isola tion, the phase shift of an EQ can often be the cause of the ‘magical’ sound of that device once the EQ’d signal is added back into the mix. For example, the Duende channel EQ derived from the SSL analogue consoles – plenty of phase shift and plenty of magic!

In contrast, a li near-phase EQ delays all frequencies by t he same amount. This can only be achieved in the digital domain by using s pecial techniques. Whi le t his process i s ve ry

effective in certain s ituations ( eg. ‘surgically’ r emoving troublesome frequencies), it should not be considered as a superior tool for the majority of EQ tasks.

Linear phase e qualisers have become popular over the pa st few ye ars due to the pr oliferation o f p owerful di gital processors. We decided not to go down that route with X-EQ and we think you’ll agree with that decision. Maybe linear phase EQ is something we will explore in the future but… who kn ows? A n e qualiser not only c hanges th e r elative frequency balance of a signal but also its phase. If you EQ a sound until it sounds right or natural, then the chances are that you are EQing to make it sound in phase with the rest of the mix. We need say no more on this subject.

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Contents UserGuide Page Contents Page Introduction Key Features EQ Graphical User Interface Windows/PC System RequirementsApple Macintosh Installation & Authorisation Analogue Parametric EQ Modelling Some HistoryAn Audio Engineer’s Best Friend Best of the Analogue and Digital WorldsNon- Linear Phase EQ Parallel Passive EQ Control Options in Band Cont rol and Input/Out put Sections Operational OverviewGraphical EQ Display Mouse Operations in Graphical DisplaySave, Load and A/B Functionality Meters Example To copy from location a to location BFFT Spectrum Analyser Peak Meter and Clip IndicatorDynamic History Meter RMS MeterEQ Band Parameters and Control Range Gain Frequency Global BypassAsymmetrical EQ Filter TypesBell Filters Definitions Classic SymmetricalProportional Constant Q Invert Constant Q AsymmetricalConstant Q Asymmetrical Reverse Parallel Constant Q NewBessel Cut Filters CriticalChebychev Serial Mode EQ Signal FlowApplication Tips EQ Support Support FAQsPage Solid State Logic

X-EQ specifications

The Solid State Logic X-EQ is a cutting-edge equalizer plugin that combines the classic analog sound of SSL's renowned hardware with the flexibility and convenience of modern digital audio production. Designed to cater to both mixing engineers and producers, the X-EQ encapsulates SSL’s decades of experience in studio technology, providing users with a versatile and powerful tool for shaping audio.

One of the key features of the X-EQ is its comprehensive equalization capabilities. The plugin offers a nine-band EQ design that includes both analog-style and modern digital EQ modes. This versatility allows for a wide range of sound shaping, from gentle tonal adjustments to aggressive sculpting of frequencies. Each band can be adjusted independently, and the user can choose from a variety of filter types, including high and low shelves and parametric bands. This level of control enables sound designers to pinpoint and enhance specific frequencies within their audio tracks.

Another notable characteristic of the X-EQ is its unique "dynamic EQ" functionality. This feature allows users to employ frequency-responsive processing, which automatically adjusts the gain of specific frequency bands based on the input signal level. This intelligent response is a game-changer in the mixing process, particularly for managing problem frequencies that may only become problematic at certain levels, thereby resulting in a cleaner and more professional mix.

The user interface of the X-EQ is intuitive and visually appealing, utilizing SSL's signature design aesthetic. The layout is straightforward, allowing users to swiftly navigate through the various controls and settings. Additionally, the plugin supports AAF and OMF sessions, ensuring seamless integration into existing projects.

The X-EQ also includes advanced features such as a mid-side processing option, which enables additional control over stereo imaging. This allows engineers to manipulate the mid and side elements of a stereo mix separately, providing a greater level of detail in spatial arrangements.

Furthermore, the X-EQ employs SSL's proprietary algorithms, which are designed to deliver the best possible sound quality, retaining the warmth and character of analog equipment while ensuring pristine clarity and precision.

Overall, the Solid State Logic X-EQ stands out as a sophisticated and versatile equalizer plugin. With its blend of classic and modern technologies, it is an essential tool for any audio professional seeking to elevate their mix and achieve a polished sound. Whether used on individual tracks or during the final mixdown, the X-EQ empowers users to craft their audio with finesse and creativity.
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