Antelope audio A4-1B
- Read reviews (0)
- Related accessories
- Similar products
- Free delivery
- Low prices guaranteed
- Satisfied or refunded
- 3-years warranty
The brand Antelope audio
The largest network of stores in France
Contact an expert
Our musician and enthusiast tele-consultants are here to answer all your questions.
Kompressor limiter gate
The A4-1B is a compressor from Antelope Audio.
A4-1B highlights
- Genuine analog circuitry - Faithful to the topology of a famous Danish design, guaranteeing pure analog compression.
- UK-made custom transformers - Deliver precise bass response and high-fidelity sound reproduction.
- Premium-quality lamps - Provide unrivalled warmth and audio fidelity.
- High-end capacitors - Ensure consistent clarity and precision across the entire frequency spectrum.
A4-1B Key Features
A Reinterpretation, Not Just an Inspiration
The A4-1B redefines the pro-audio market by combining the authentic warmth of a legendary tube opto compressor with modern digital features. This perfect fusion of tradition and innovation meets the demands of today's audio professionals.
Modern performance and reliability
Automatic tube test system ensures continuous calibration for stable performance and optimum stereo matching.
Advanced power supply
Modern technology offering enhanced stability, automatic voltage matching and reduced noise thanks to DC lamp heating.
Automatic Vumeter Calibration
Guaranteed accuracy for input and output levels and gain reduction, in hardware and software.
Who's it for?
Ideal for mixing and mastering engineers, advanced producers, FOH (Front of House) engineers and vintage gear enthusiasts.
Exceptional analog sound
With the A4-1B, enjoy classic analog sound, an exceptionally pure signal path and intuitive software control, all optimized by motorized potentiometers and automatic calibration systems.
Expert advice
- Faithful, musical analog compression.
- Perfect fusion of vintage hardware and modern technology.
Technical sheet
- Audio circuit
- 100% analog
- Custom-designed British transformers
- High-quality tubes
- Pre-sorted optical cell for precise compression
- Push-pull tube amplifier
- Continuously variable attack and release times
- Audio features
- Ratio: 2:1 to 10:1
- Threshold: deactivated at -40 dBu
- Attack: 0.5 ms to 300 ms
- Release: 50 ms to 10 s
- Gain: disabled at +30 dB
- Max output level: +24 dBu
- Max input level: +24 dBu
- Noise level : < -80 dBu
- Input impedance: 10 kΩ differential
- Output impedance: < 60 Ω
- Frequency response: 20 Hz - 20 kHz ±1 dB
- Automation and digital functions
- Remote control via VST3 plugin, AAX, AU or stand-alone application
- Exclusive motorized knobs for instant adjustment
- Parameter automation (attack, release, gain, threshold, ratio) via DAW
- Comprehensive preset system for quick recall and A/B testing
- Extensive side-chain filtering: high-pass, low-pass and band-pass filters
- De-esser mode with narrow bandpass filter
- Power supply and design
- Modern power supply with automatic voltage adaptation (95 V-245 V, 50-60 Hz)
- DC tube heating to reduce noise and improve warmth
- Constant stereo performance thanks to calibration system
- Operating temperature: 0-50°C (32-122°F)
- Measurement and calibration
- VU meter for input, compression and output control
- Multiple reference levels for precise measurement
- Dimensions and weight
- Dimensions: 88 mm (H) x 483 mm (W) x 252 mm (D)
- Weight: 4.4 kg