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

Jaksot(448)

EP#116: Standard-ish

EP#116: Standard-ish

StephenUsing an oscilloscope as a dynamic signal analyzerAnalog scopesParkerGameboy update Code compiles! Quartus II still compiled my Gameboy Project1.25mm? pitch 21 pin. Connectors are hard to find....

18 Huhti 201852min

EP#115: From A Current Perspective

EP#115: From A Current Perspective

StephenLM13700Dual Operational Transconductance Amplifiers With Linearizing Diodes and Buffers built by Ti?All passive filterNot just a zero ohm resistor ;)Shift the phaseFixing a Kegerator Kegerator ...

12 Huhti 201847min

EP#114: Chasing Oscillations

EP#114: Chasing Oscillations

StephenNasty Analog Oscillations Opamps are drama queens of electronicsSolved the oscillation with a small capacitor in the feedback loop to lower the frequency of the feedbackParkerWaiting on circuit...

4 Huhti 201845min

EP#113: Put All Your Power On Blue

EP#113: Put All Your Power On Blue

StephenAutoDesk Fusion 360Fusion 360 Tutorial by Lars ChristensenParkerGetting the PCM5122 DAC to talk to an ArduinoanalogRead FAST Cuts the number of cycles needed to do an Analog read on the Arduino...

28 Maalis 20181h 1min

EP#112: Bruce Hamby and Owning Your Product

EP#112: Bruce Hamby and Owning Your Product

Bruce HambyAttorney with the Hamby Law FirmThe Hamby Law Firm focuses on patents, intellectual property, trademarks and business lawHas been an attorney in the Houston region for over 15 yearsOwn your...

21 Maalis 201857min

EP#111: Logic Commander

EP#111: Logic Commander

Stephen"Slow Start" or soft start circuitsBulk capacitance is killing the power supply for the new synth designCapacitance MultiplierParkerBadge Design for DefCon NFC Belt BuckleLots of LEDs of course...

14 Maalis 201839min

EP#110: Dangling Transformers

EP#110: Dangling Transformers

StephenRibbon Microphone Turn it into a Hackaday.io project?Make a USB microphone from scratch? PCM2912ATalked about this IC on a previous episode of the MEPDatasheetStephen will be in Denver next wee...

7 Maalis 201838min

EP#109: Arduino, The Gateway Drug To #BadgeLife

EP#109: Arduino, The Gateway Drug To #BadgeLife

AND!XORCheck out the previous MEP EP#69 Incognito Mode for the last time the AND!XOR group was on the podcastBitstr3mDid the Android mobile application for the DEFCON 25 badgeZappDoes the hardware des...

1 Maalis 201848min

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