ANTELOPE A4-1B

• Authentic tube compression and advanced DAW integration - the perfect combination of analog technology and innovation.
• Fully analog signal path for authentic tube sound
• High-quality transformers and premium tubes for precise and transparent compression
• Motorized controls for instant hardware device adjustments
• Remote control via VST3, AAX or AU plug-in or stand-alone application
• Attack, Release, Gain, Threshold and Ratio Automations in DAW
• High-pass, band-pass and dielectric filters for targeted sound processing
• Modern power supply with voltage regulation for maximum stability
• Direct current tube heating to minimize background noise
• Wide frequency range from 20 Hz to 20 kHz with high precision
• Preset system for easy repeat settings and A/B testing
• Seamless integration with the optional A4 software package for advanced features
• Compact and robust construction for a professional studio environment
• The A4-1B combines classic sound quality with modern efficiency and offers maximum flexibility for professional audio productions.

ANTELOPE A4-1B Rack 2

A4-1B analog auto compressor with optical tube
A combination of classic tube sound and modern precision

A4-1B Tube-Optical Compressor combines the warmth of classic tube compression with the advantages of modern technology. Thanks to its fully analog signal path and high-quality components, it provides precise and transparent compression, while preserving the legendary character of the Scandinavian sound.

Advanced features such as DAW integration for remote control and automation as well as adjustable filters make it an ideal choice for professional audio productions.

Authentic analog sound quality
The all-analog signal path provides the natural warmth and transparency of classic compression.

High quality components
Special transformers and premium tubes ensure tight bass response and high fidelity.

Remote control and automation
Thanks to the patented motorized controls, settings can be adjusted and automated in real time via VST3, AAX or AU plug-ins.

Adjustable filters
High-pass, band-pass and dielectric filter modes allow targeted compression and precise sound processing.

Energy efficiency and stability
A modern power supply unit with automatic voltage regulation ensures reliability and a long service life of the lamps.

ANTELOPE A4-1B Rack 1

Authentic sound, modern technology

The A4-1B is a tribute to classic optocompression. Precision opto-element technology and custom-made transformers ensure unparalleled fidelity and depth of sound. At the same time, advanced features such as DC heating, which brings the lamps to the perfect temperature, ensure reduced background noise and improved sound warmth.

Analog technology in the digital age

The optional A4 software package seamlessly integrates the A4-1B into the world of digital audio. Features like VST3, AAX or AU compatibility allow full control directly from your DAW. Automations for parameters such as Attack, Release, Gain, Threshold and Ratio can easily be set up. A comprehensive preset feature simplifies workflow and ensures consistency between sessions.

ANTELOPE A4-1B Daw Plugin

Internal features of the ANTELOPE A4-1B

Additional additional software
The A4 add-on software package offers one year of free access to Antelope Synergy Core Native plugins, updates and new releases.

The software is available by subscription and greatly expands the functionality of the A4-1B.

A perfect symbiosis between tradition and innovation
The A4-1B is more than just a compressor - it embodies the essence of classic sound quality while offering the flexibility of modern audio technology. It pays homage to the well-known vintage hardware and devices in your studio and yet offers you an unparalleled range of applications and uses.

Ideal for professionals who don't want to compromise.