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Joseph Crowe

Oblate Spheroidal Horn No.2710 --- 3D CAD files + Drawings

Regular price $80.00 USD
Regular price Sale price $80.00 USD
Sale Sold out

By ordering online you will automatically receive the files via email. 

The oblate spheroidal horn No.2710 is a DIY plan set that includes STL files for 3D printing the horn throat as a smooth transition flare. Also included are large mouth flares. The conical section is easy to construct using a miter saw. Dimensional details for petal construction are included in the PDF

Before ordering please review the overall dimensions carefully to ensure it will physically fit for your application. Also review the test data published here to ensure suitability. 

These plans are for personal use only (DIY). For commercial reproduction licensing please contact

Includes 

  • STL files 
    • 2710-01-001 Throat piece 
    • 2710-01-002 Mouth flare straight section 
    • 2710-01-003 Mouth Flare corner piece LH 
    • 2710-01-004 Mouth Flare corner piece RH 
  • PDF drawings 
    • Assembly drawing
    • Detail drawing for petal 

Specification 

  • Horn mouth 85cm x 85cm (with mouth flares)
  • Horn mouth 58cm x 58cm (without flares)
  • Cutoff Frequency 300Hz (Fc) 
  • Coverage 90 degrees 
  • Fits all 1.40 inch compression drivers 
  • Four petal design (conical) using 18mm thick wood 

Features 

  • Throat piece screws to plywood 
    • Screw holes included in STL file 
  • Horn flare pieces screw to plywood 
    • Screw holes included in STL file 
  • Includes driver mounting holes 
  • Smooth transition throat 
  • Easy to 3D print 
  • Easy to make wood petal using miter saw 
  • Multiple horns can be assembled as an array
    • Screw holes included in STL file 
    • Inquire for custom angles