Antelope A4-1B Perpetual 4-Y SC Native
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Manufacturer Information
Antelope
https://en.antelopeaudio.com
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Elektrosfera ltd.
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What A4-1B + SC Native Is For
A4-1B is designed for sound engineers, mixers, and producers who want to recapture a "hardware" feel in a 100% software environment while maintaining modern ergonomics. It facilitates fine-tuning, quick version comparisons, and clean automation setup in your session, regardless of your DAW.
Additionally, the Synergy Core Native library provides a ready-to-use palette for production and mixing: reverbs, delays, compressors, equalizers, and modeled microphone preamps. The whole set aims for a warm, musical, and coherent sound, ideal for adding character to vocals, drums, guitars, synths, and mix buses.
Main Features
Preset Management and Instant A/B Testing
A4-1B allows management of an unlimited number of presets and seamless switching between settings. The built-in A/B tests speed up decision-making: you compare two processing approaches (more or less compression, different tonal colors, variations in attack and release) while keeping the musical context intact.
Complex Automations Without Burden
The plug-in is designed for responsive automation of key parameters. You can evolve your processing throughout the track (softer verses, more present choruses, more aggressive transitions) while maintaining stable playback and a natural workflow in the timeline.
Custom Sidechain for More Precise Compression
Thanks to its exclusive sidechain filtering, A4-1B helps target what the compressor "hears." Configurable filters (high-pass, low-pass, band-pass, and de-essing) allow, for example, preventing an overly energetic bass from triggering excessive gain reduction, or finely controlling a frequency range to achieve a cleaner and more musical result.
A Native Collection Focused on "Analog Sound"
The Synergy Core Native Library complements A4-1B with over 70 emulations and treatments inspired by legendary equipment. It covers the essentials of modern mixing, from subtle tonal shaping to space creation, and is regularly enriched with new plug-ins developed by Antelope.
Technical specifications
| Type | Full software |
| Downloadable | Yes |
| A4-1B | VST3 |
| Synergy Core Native Library | VST3 |
| Sidechain with user-configurable filters | high-pass, low-pass, band-pass, de-essing |
Questions frequently asked
Is Antelope A4-1B Perpetual 4-Y SC Native available in VST3?
A4-1B and the Synergy Core Native library are provided in VST3 format. The license is downloadable.
How many presets can be stored with A4-1B?
An unlimited number of presets can be managed. The built-in A/B testing allows quick comparison of two processing settings within the same session.
Does the sidechain of A4-1B offer a de-essing filter?
The sidechain filtering includes a de-essing mode, as well as high-pass, low-pass, and band-pass filters.
Can the plug-in parameters be automated in a DAW?
Key parameters are designed for responsive automation within the DAW timeline. This makes it possible to vary compression, attack, or release between different sections of a track. This feature particularly facilitates processing changes between verses and choruses.
What effects are included in Synergy Core Native?
The Synergy Core Native library includes over 70 emulations and processors. It notably features reverbs, delays, compressors, equalizers, and modeled microphone preamps.




