Antelope Audio A4-1B Opto-Valve Analog Compressor with Plugin Integration - Member's Edition
Antelope Audio | SKU: ANTEL-A41BOPTOVALVECOMPRESSOR
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Most orders placed before 10:00am PST will most likely ship out the same day. We work hard to process and ship your items quickly so you can start enjoying them as soon as possible.
Found a lower price? Contact us and we'll see if we can match it! Price match will only be applied to products sold and shipped by authorized retailers of the brand.
No restocking fee will be charged when you opt for store credit. Exclusions apply.
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Antelope Audio A4-1B Opto-Valve Analog Compressor with Plugin Integration
The A4-1B is a single-channel optical tube compressor that combines vintage analog warmth with modern digital precision. Featuring an all-analog signal path with premium tubes and transformers, it offers DAW integration, motorized controls, and advanced filtering for unmatched studio flexibility.
Key Features
- Analog Circuitry: Purely analog opto-tube compression with transformers and premium tubes
- DAW Integration: Plugin-based control (VST3, AU, AAX) with instant recall and automation
- Motorized Controls: Real-time knob automation synced with DAW
- Side-Chain Filters: High-pass, low-pass, band-pass, and de-esser
- Auto-Calibration: Ensures consistent opto-cell response and stereo linking
- Compression Range: Ratio 2:1–10:1, Threshold Off to −40 dBu, Attack 0.5–300 ms, Release 50 ms–10 s, Makeup Gain up to +30 dB
- Signal Handling: Up to +24 dBu with noise below −80 dBu
- Power: Universal auto-voltage PSU (95–245 V, 50–60 Hz)
Technical Specifications
- Weight: 4.4 kg (9.7 lbs)
- Dimensions (W×H×D): 48.3 cm × 8.8 cm × 25.2 cm (19″ × 3.47″ × 9.92″)
- Box Weight: 6.5 kg (14.3 lbs)
- Box Dimensions: 64.0 cm × 14.0 cm × 35.0 cm (25.2″ × 5.51″ × 13.8″)
- Compression: Ratio 2:1–10:1, Threshold Off to −40 dBu, Attack 0.5–300 ms, Release 50 ms–10 s
- Gain: Makeup gain up to +30 dB
- Signal Handling: +24 dBu max I/O, Noise < −80 dBu
- Filters: High-pass, Low-pass, Band-pass, De-esser
- Power: 95–245 V AC, 50–60 Hz
Available Editions
- A4-1B Member’s Edition: Includes A4-1B Opto-Valve Compressor, 1-year access to A4-1B Plugin, 1-year access to Synergy Core Native
- A4-1B Complete Edition: Includes A4-1B Opto-Valve Compressor, 2-year access to Synergy Core Native, Perpetual access to A4-1B Plugin
- A4-1B Ultimate Edition: Includes A4-1B Opto-Valve Compressor, 5-year access to Synergy Core Native, Perpetual access to A4-1B Plugin
What's Included
- A4-1B analog compressor unit
- Power cable
- USB-C to USB-C cable
- Getting started leaflet
- DAW plugin license (depending on edition)
