Name: Antelope Audio - A4-1B Analog Automated Opto Valve Compressor
SKU: 7728
Availability: BackOrder

Antelope Audio – A4-1B Analog Automated Opto Valve Compressor

₹303,999.00

Тhe A4-1B Tube-Optical Compressor combines the warmth of classic tube compression with the precision and flexibility of modern technology. Faithfully recreating the iconic Scandinavian sound, the A4-1B boasts a fully analog circuit for the audio signal, built with the highest quality components to ensure precise and transparent compression. Its advanced features, including DAW integration for remote control and automation, and filtering for targeted compression, provide a seamless experience for audio professionals seeking both authenticity and innovation.

All-analog design preserving the true sound of classic opto-valve compression
Custom transformers & hi-end tubes for tight low-end and high-fidelity audio
Remote control, with automation and preset recall
Proprietary motorized potentiometers ensuring instant remote response
User-configurable high-pass, band-pass and de-essing filters

Available on backorder

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As Authentic as It Gets.

The A4-1B captures the essence of legendary compression. A painstakingly accurate signal path, premium tubes, and custom transformers combine for unparalleled authenticity and low-end richness. The precise opto-cell detection system guarantees precise compression characteristics, matching the authentic behavior of the original. Crafted with premium analog components, the A4-1B is not just a compressor—it’s a testament to the timeless quality of true analog engineering.

Classic Sound, Modern Engineering.

The A4-1B combines analog warmth with modern engineering for unparalleled performance. Its efficient power supply ensures stability and reliability with automatic voltage adaptation, while DC heating for the tubes minimizes noise and enhances tonal warmth. Digital control technology streamlines compression adjustments, offering faster and more precise operation. These innovations not only improve the device’s efficiency but also enhance the overall user experience, making the A4-1B a perfect blend of classic sound and modern precision for professional audio workflows.

Bringing Analog into the Digital Age.

The A4-1B also has access to the optional A4 software suite, allowing for remote control via VST3, AAX, or AU plugin, or standalone app, offering full integration into your DAW setup. Proprietary motorized knobs allow settings to be applied instantly to the hardware, while the preset system ensures easy recall for consistency across sessions and A/B testing. Attack, Release, Gain, Threshold, and Ratio can be automated directly in the DAW plugin, just like with any native tool. The extended filter section includes low pass, high pass, and band pass filters for sidechain applications, and the de-es mode with a narrow band pass filter helps clean up vocals and instruments with precision.

*The A4 software suite is available as an optional addon, as part of a monthly or annual membership plan. The A4-1B comes with 1 year of Antelope Membership for free, including the full suite of Synergy Core Native plugins, as well as all new releases and updates.

Features

Authentic Analog Sound

100% purely analog circuit for the audio signal

High-quality components ensuring superior sonic performance

Custom-designed UK transformers and high-quality tubes

Pre-sorted opto-cell for optimal compression precision
All tube-based push-pull amplifier
Continuously variable attack and release time

Automated calibration systems

Ensured compression precision over time
Modern power supply for tube longevity and reduced humming
Consistent stereo-link performance via calibration system
Multiple reference levels for metering
VU-meter for monitoring input, compression and output

A4 – Antelope Audio Analog Automation (optional)

Remote control via VST3, AAX or AU plugin, or standalone control app
Settings instantly applied on hardware via proprietary motorized knobs
Comprehensive file preset system
Automation for attack, release, gain, threshold and ratio via DAW plugin
Extended filtering section with low pass, high pass and band pass filtering for side chain signal
De-esser mode utilizing narrow band pass filter

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