Blue analog audio compressor unit with multiple control knobs, a VU meter, and power toggle switch on front panel.

ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete

$2,815.00
$2,815.00
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Blue analog audio compressor unit with multiple control knobs, a VU meter, and power toggle switch on front panel.
  • Blue analog audio compressor unit with multiple control knobs, a VU meter, and power toggle switch on front panel.
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • Blue analog audio compressor unit with multiple control knobs, a VU meter, and power toggle switch on front panel.
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
  • ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete
ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete

ANTELOPE AUDIO A4-1B Analog Automated Opto Valve Compressor - Complete

$2,815.00
$2,815.00
Condition Brand New
Checked against 1 listing
Verified
Requires appropriate audio and data cables, compatible monitoring, mounting, or power setup
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Fit and constraints

Intended use

Constraints

To use it

Required appropriate audio and data cables, compatible monitoring, mounting, or power setup

Questions

3 to ask before buying

Which connections, drivers, operating systems, and sample rates are supported by this exact revision?

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What cables, mounts, power supplies, or licenses are included?

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Is the current retailer listing new stock, demo stock, open box, or special order?

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Description

Product details

The A4-1B is an analog valve compressor combining hand-built circuitry with custom UK-made transformers and hand-selected tubes. Digital control via VST3, AU, and AAX plugins enables remote parameter adjustment, DAW automation, preset recall, and motorized potentiometer movements that sync with software changes. The unit includes sidechain filtering and de-essing features accessible through its plugin interface.

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