The AOC51x is a version of the Analag Optical Compressor for the 51x Alliance 551 rack.  The AOC51x is optical compressor that, unlike the D-AOC, employs a totally solid-state design.

Images courtesy of [silent:arts]

Notable Features:

• Uses Pikatron or Lundahl transformers
• Stereo link switch
• +/-16v or +/-24 voltage rails set via jumpers
• VU meter
• Accepts DOA or IC opamps

Price has not been announced yet.

For more information see [silent:arts] build thread.