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Joseph Crowe

Bass Cabinet Plans No. 1963 -- 15" Altec 411A Woofer

Regular price $30.00 CAD
Regular price Sale price $30.00 CAD
Sale Sold out

These plans include the assembly and detail drawings to construct bass cabinet No. 1963. 


  • Automatically emailed after transaction on this product page 
  • Assembly and details drawings (.PDF format)
  • AutoCAD DXF Files 
  • 210 Liter internal volume
  • 28Hz tuning frequency 
    • Tuning frequency can be lowered by blocking off some of the ports. The tuning frequency is lowered to 26Hz by blocking one of the eight ports. The tuning can be lowered further by blocking additional ports. Below is a summary of available tuning frequencies 
      • x8 Ports = 28Hz
      • x7 Ports = 26Hz
      • x6 Ports = 24Hz
      • x5 Ports = 22Hz 
  • 93dB sensitivity 
  • 18mm plywood construction with solid hardwood on vents (see photo)
  • Internal bracing 
  • Physical Dimensions 60cm wide x 60cm deep x 79.6cm high 
  • Includes nested layout on standard sheet of 4' x 8' plywood 
  • Uses Altec 411A Woofer (please contact for custom designs using other woofers)