MEP EP#203: Lizard Brain Information – David Gunness of Fulcrum Acoustic (MacroFab Podcast)

Podcast Notes

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