Design Quote — 500Hz 311-90 horn for Devon

Sale price Price $720.00 Regular price


  • Funds in CAD currency
  • 3D CAD model (.iges, .step format) 
  • Lead time 3 week
  • 500Hz low frequency cutoff 
  • 1” throat  
  • Inspired by the Altec 311-90 horn flare geometry 
  • Customer to provide dimensional data on 311-90
  • Machined from one side only 
  • Multi-piece permitted 
  • 3D CAD model optimized for future size variations/changes 
  • Design optimization based on customer feedback 
  • Multiple CAD models (with and without mounting flange) (with or without dispersion fins)
  • Overall dimensional drawing (PDF format)


  • Detailed dimensional drawings  
  • CNC programming