Luny Tune LA4 Opto Compressor

Projects > Luny Tune LA4 Opto Compressor

GroupDIY forum member “Luny Tune” created a bill of materials, PCB drawing, and assembly notes for a clone of the Urei LA-4 optical compressor.  PCBs are currently available from Gustav’s White Market store.

Notable Features:

  • Solid-state version of the LA-2A
  • Works with Lundahl, OEP, and Cinemag transformers

Price: 18€ for PCB

More information:


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