Lizard Brain Information – David Gunness of Fulcrum Acoustic

December 18, 2019 Hosted by Parker Dillmann, Stephen Kraig

David Gunness of Fulcrum Acoustic joins the podcast to discuss Passive Cardioid Technology, Coaxial Speakers, and manufacturing with wood.

David Gunness

  • Vice President of R&D at Fulcrum Acoustic
  • Lead Product Designer
  • Photographer
  • Copy Writer
  • Ambassador to Italy
  • Facilities Maintenance
  • Director of Calculus
  • Technical Writer
  • Lead Coffee Maker

Fulcrum Acoustic

  • Who are they and what do they do?
  • What does it take to get into sound design?
    • Education?
    • Frequency Theory
  • Passive Cardioid Technology
    • Technology to eliminate rear low frequency radiation
      • Where is this an issue?
    • Active solution
    • Passive solution
    • Patent 10,123,111 B2 “Loudspeaker with passive low frequency directional control”
  • Building a better coaxial speaker
    • What is a coax?
    • Beamwidth
    • How is this validated/tested?
  • Manufacturing enclosures with wood
    • Why wood?
    • Sourcing materials
    • General Design
    • Tolerancing considerations?
    • Finishing and Covering
      • Sanding
      • Painting
      • Spraying materials

Hosts: Parker Dillmann, Stephen Kraig

Special thanks to whixr over at Tymkrs for the intro and outro!