MEP EP#203: Lizard Brain Information - David Gunness of Fulcrum Acoustic

MEP EP#203: Lizard Brain Information - David Gunness of Fulcrum Acoustic

MEP EP#203: Lizard Brain Information - David Gunness of Fulcrum Acoustic

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

Episoder(448)

MEP EP#292: Scott Hinson of Pecan Street Inc.

MEP EP#292: Scott Hinson of Pecan Street Inc.

MEP EP#292: Scott Hinson of Pecan Street Inc.Scott Hinson The Chief Technology Officer at Pecan Street Leads the Pecan Street Lab Directs research efforts to study the grid and climate impacts for...

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MEP EP#291: Vaporized Copper Stiction

MEP EP#291: Vaporized Copper Stiction

MEP EP#291: Vaporized Copper StictionBias Test system update Happy with the two A/D Converters. Got *all* channels running Made a simple breakout board to be able to access all the pins easier 16 ...

25 Aug 202155min

MEP EP#290: Avoiding Bean Counters

MEP EP#290: Avoiding Bean Counters

MEP EP#290: Avoiding Bean CountersBGA vs. QFP - PCBA cost comparison Inspired by Tim Jager on the slack channel 48 pin QFP vs 56 pin BGA Escaping the package Layer count Increase in PCB toler...

18 Aug 20211h

MEP EP#289: Snicker Bar Integrated Components

MEP EP#289: Snicker Bar Integrated Components

MEP EP#289: Snicker Bar Integrated ComponentsMinor correction from last week. IEC 60950-1 was withdrawn in December of 2020, and has been replaced by IEC 62368-1 (Product Safety testing standard for “...

12 Aug 202151min

MEP EP#288: We have clearance, Clarence

MEP EP#288: We have clearance, Clarence

MEP EP#288: We have clearance, ClarencePCB design rules for clearances Stephen's favorite calculator Clearance and creepage According to the IEC (international electrotechnical commission) a globa...

4 Aug 202154min

MEP EP#287: Biased For Arduino

MEP EP#287: Biased For Arduino

MEP EP#287: Biased For ArduinoBias Test System Got the first board built and installed on an arduino First tests were a success Arduino library - works “first” time Adien Akhmad 2.5V referen...

29 Jul 202158min

MEP EP#286: FTC “Nixing The Fix” Report

MEP EP#286: FTC “Nixing The Fix” Report

MEP EP#286: FTC “Nixing The Fix” ReportFTC “Nixing The Fix” Report The debate around repair restrictions illustrates the limitations of MMWA’s anti-tying provision in repair markets. While the anti-ty...

22 Jul 20211h 21min

MEP EP#285: Let The Robots Do It

MEP EP#285: Let The Robots Do It

MEP EP#285: Let The Robots Do ItFinally real engineering… follow up What is the most computational intensive work you have had to do on the job? Mixed Integer Non Linear Optimization problem Ap...

15 Jul 202159min

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