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Joseph Crowe

Limited Run by Athos Audio --- ES-600 Bi-Radial Wood Horn

Regular price $1,404.00 USD
Regular price Sale price $1,404.00 USD
Sale Sold out

Custom Built-to-Order Wood Horn 

  • ES (Exponential Spiral) flare geometry 
  • Price is 'Per Pair' 
  • Wrap-around horn mouth 
  • Precision CNC cut 
  • Baltic Birch layered plywood 
  • Sanded and finish stained 
  • Crossover Design service available (Please contact)
  • Includes shipping to European countries 
  • Outside of of Europe add $300 CAD (contact for special product link)
  • Form fitted packaging for protection (see below)


Drawing click here


  • Frequency Response 600Hz - 20kHz 
  • 417mm Wide x 203mm High x 198mm Deep 
  • 1.4” Throat 

Frequency Response 

The frequency response shown above is with the RCF ND-940 compression driver without the optional wood rear cover. 

Horizontal Off-Axis Colored Polar Map 



  • Suitable drivers
  1.  RCF ND-650, ND-940
  2. SB Audience 65CDN-T
  3. Radian 745DPB, 745PB, or 745Neo
  4. TAD TD-4003
  5. B£C DE780TN 




Care information