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Description
Antelope A4-1B Opto-Valve Overview
A modern reimagining of a legendary Danish tube compressor, the Antelope A4-1B Analog Automated Opto Valve Compressor is an optical-tube compressor combining the warm, smooth sound of vintage analog compression with the precision and flexibility of digital control. It features a 100% analog signal path made with premium tubes and UK transformers, ensuring silky smooth and transparent compression.
Advanced digital control over all parameters allows for flawless integration with a DAW plug-in or standalone app, enabling full automation, remote operation, and enhanced features like de-essing and side-chain filtering. Proprietary motorized potentiometers ensure instant preset recall and effortless A/B testing, making the A4-1B a versatile tool for audio professionals who want the classic sound of a vintage tube compressor with the added benefit of modern digital control and features. The A4-1B includes a perpetual license for the automation control plug-in and a 2-year license for access to Synergy Core Native, which provides over 75 FX plug-ins.
Pure Analog Excellence
- The A4-1B is crafted to replicate the smooth, musical character of vintage Opto-Tube compressors. Even under heavy compression, it maintains transparency, bringing life to vocal tracks, bass, keys, and percussion.
- With every touch of its controls, the A4-1B embodies the essence of the legendary hardware it was inspired by, offering modern production the classic sound of opto-valve compression.
Revolutionized Analog Power
- A4-1B delivers exceptional consistency and sound quality across the entire frequency spectrum. This all-analog powerhouse is built for longevity, faithfully upholding the legacy of its predecessor.
- Custom UK-made transformers provide tight low-end response and high-fidelity audio, while premium tubes add warmth and precision.
- The heart of the A4-1B lies in its meticulously designed PSU, featuring automatic voltage adaptation for enhanced stability and noise reduction.
Game-Changing Digital Integration
- A4-1B is the first of Antelope Audio's automated outboard analog units, designed to bring high-quality hardware to a new generation of audio producers. These units marry classic analog sound with digital innovation, enabling users to unlock their full potential while preserving the analog warmth that defines them.
Full Digital Control
- The A4-1B's digital control panel is accessible via a standalone app or as a VST/AU/AAX plug-in, ensuring compatibility with any modern DAW. Whether integrated into a digital, analog, or hybrid setup, the intuitive software streamlines preset management, allowing you to apply your settings to various sessions and access them anywhere in the studio.
Responsive Automation
- The A4-1B features motorized potentiometers that respond instantly to adjustments, whether made physically on the unit or digitally through the control panel.
- These parameters?Attack, Release, Gain, Threshold, and Ratio?are fully automatable, just like any native plug-in, offering dynamic control throughout your session.
Preset Recall and A/B Testing
- The A4-1B software panel simplifies preset recall, allowing for rapid access to your saved settings. Unlike most analog gear, you can quickly perform A/B comparisons to fine-tune your sound with ease.
Filtering and De-Essing
- Incorporating modern features like filtering and side-chain compression, the A4-1B offers a fully realized digital-only feature set.
- Available High-, Low-, and Band-Pass Filters enable targeted compression, while the de-essing and side-chain capabilities make the A4-1B an invaluable tool for vocal processing-features not found in the original legacy unit.
Precisely Calibrated for Consistency
- A4-1B stands out for its calibration systems, ensuring consistent performance and long-term reliability. Whether using dual units for stereo matching or maintaining the integrity of your setup, the A4-1B offers an Opto-Cell Test System, self-calibration of the VU meters, and meter reference levels (-10 / 0 / +4 / +20 dBu).
- The motorized potentiometers are also recalibrated, ensuring the highest precision. These calibration options are easily accessible through the control panel.
Includes Complete Edition Licensing
This Complete version of the A4-1B includes a perpetual digital automation license and a 2-year subscription to Antelope's Synergy Core Native FX processing with over 70 world-class plug-ins to help you sculpt your mixes to perfection.
UPC: 850041548128
Items Included
- Antelope A4-1B Opto-Valve Analog Automated Compressor (Perpetual License, 2-Year SC Native Membership License)
- Antelope A4-1B Opto-Valve Analog Automated Compressor (Complete Edition)
- Limited 1-Year Manufacturer Warranty
Additional Resources
Antelope A4-1B Opto-Valve Specs
General
| Maximum Input Level |
+24 dBu
|
| Maximum Output Level |
+24 dBu
|
| Noise |
<-80 dBu
|
| Impedance |
Input: 10 Kilohms Differential
Output: <60 Ohms |
| Frequency Response |
20 Hz to 20 kHz (?1 dB)
|
Inputs/Outputs
| USB I/O |
1 x USB-C Female Input/Output
|
| Audio I/O |
1x XLR 3-Pin Line Input
2x 1/4" TRS Input 1x XLR 3-Pin Line Output |
Power
| Power Source |
AC Input
|
| AC Input Power |
95 to 245 VAC, 50 / 60 Hz
|
Physical
| Mounting |
Front: 4x Standard Rack Screw
|
| Color |
Blue
|
| Material of Construction |
Metal
|
| Operating Conditions |
32 to 122?F / 0 to 50?C
|
| Dimensions |
19 x 9.9 x 3.5" / 48.3 x 25.1 x 8.9 cm (1 RU)
|
| Weight |
9.7 lb / 4.4 kg
|
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 318333.4 |
| 3-5 | ₹ 315085.1 |
| 5-10 | ₹ 308588.5 |
| 10+ | ₹ 302091.9 |
Bulk discount will be automatically applied during checkout based on quantity.