Antelope Audio A4-1B

Mono Opto Valve Compressor

• Fully analogue audio signal path with custom UK-designed transformers and high-quality tubes.
• Pre-sorted opto-cell for precise and authentic compression characteristics.
• Advanced power supply with automatic voltage adaptation and DC tube heating for reduced noise.
• Remote control via VST3, AAX, AU plug-in, or standalone app with motorised potentiometers.
• Configurable filtering options including high-pass, low-pass, band-pass, and de-esser mode.
• Comprehensive software suite with automation, preset recall, and A/B testing capabilities.
• Included 1-year Antelope Membership with access to Synergy Core Native plug-ins and updates.

The Future of Analog Gear

A4-1B combines the legendary sound and design of analog Opto-Tube compressor with modern-day workflow enhancements. Experience its signature hardware audio processing or take it a step further by accessing an array of contemporary functionalities.

ALL OUT ANALOG

A4-1B was designed to preserve vintage Opto-Tube units’ highly praised smoothness and musicality. Even when pushed to the limit, the compressor remains transparent, breathing new life into vocal tracks, bass, keys, or percussion. A4-1B sounds and reacts just like the legendary hardware that inspired it allowing you to apply the legendary sound of Opto-Valve compression to your modern production.

Revolutionized Analog Power

High-quality components ensure A4-1B’s superior sound and performance consistency across the whole frequency spectrum. This all-analog powerhouse was made to last and faithfully follow the legacy it was built upon. Custom UK-manufactured transformers allow for a tight low-end and high-fidelity audio reproduction. The signature sound of the unit is achieved thanks to its premium tubes. Those provide A4-1B with extra analog warmth and precision. Electricity is the heart and soul of high-end analog gear so we packed A4-1B with an efficient PSU incorporating advanced automatic voltage adaptation for even greater stability and noise reduction.

A4 – GAME CHANGING DIGITAL POTENTIAL

A4-1B is the first in a series of automated outboard analog units developed by Antelope Audio. We want to introduce high-quality audio hardware to the current generation of audio producers and artists. Thanks to proprietary digital technologies these units will not only be given a new life but will be adapted to the current standards of the professionals and enthusiasts. This all-analog design allows the units to be used traditionally but the brand new digital features unlock their full potential potential.

Supreme Digital Control

The A4-1B digital control panel is available both as a standalone app and as a VST / AU / AAX plugin compatible with any modern-day DAW. The unit is easily integrated into fully digital, all-analog, or hybrid studio setups. The intuitive software makes preset management a breeze so you can apply your signature settings to various sessions and access them from any place in the studio.