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

June 12, 2025

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

Listen to the podcast interview with David Gunness here.

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

Company News in the News

Fulcrum Acoustic Will Host A Webinar On Their AHS Series on January 12th

Fulcrum Featured in Massachussets News

Small-Town Audio Geeks Bring Big Sounds To The Dance Floor [NPR Interview]

View from the Top: Stephen Siegel, Fulcrum Acoustic

Genius!2: David Gunness and Gunness Focusing #15

Fulcrum Acoustic Appoints Signal Marketing as Regional Sales Representative

Fulcrum Acoustic Appoints Audires BV as Sales Representative for Europe, Middle-East, and Africa

Fulcrum Acoustic Supports EASE Focus 3

Klondike Sound Deploys Fulcrum Acoustic Loudspeakers At FreshGrass Festival

Fulcrum Acoustic Appoints AudioPros as New England/WNY Sales Representative

Fulcrum Acoustic Awarded Patent for Passive Cardioid Speaker

Fulcrum Acoustic to Showcase Passive Cardioid Technology at NAMM 2020

Fulcrum Acoustic Appoints Allied ProTech West as Sales Representative for California, Nevada, and Arizona

How Dave Gunness Finally Cracked the Code on Passive Cardioid Subwoofers (Sound Design Live Podcast)

Fulcrum Acoustic’s FL283T Added to Rose City Sound Catalogue

Fulcrum Acoustic Loudspeaker Settings Now Available for Dynacord Electronics Via SONICUE Software

Fulcrum Acoustic Appoints XLR as Authorized Distributor for Benelux

Bridging Modern and Traditional Worship

Fulcrum Acoustic Releases New Passive Cardioid Subwoofers

Fulcrum Acoustic Releases New Coverage Pattern for AH High Output Coaxial Horn

Fulcrum Acoustic Announces Pro Audio & Light Systems as Distributor for Russia

Fulcrum Acoustic Appoints Ligra as Distributor for Italy

Fulcrum Acoustic Releases Rotated Versions of GX12 for EASE Focus 3

MONDO-DR In Profile - Fulcrum Acoustic

Fulcrum Acoustic Announces DNA Systems as Distributor in Greece

Signal To Noise, Episode 115: Loudspeaker Designer Rich Frembes

Fulcrum Acoustic Releases AHS Steerable Large-Format Array Modules

Fulcrum Acoustic Welcomes Scott Pizzo as National Sales Manager

Fulcrum Acoustic Releases DF4 Dual High-Frequency Horn Loudspeaker

Fulcrum Acoustic Welcomes Angela Ciociolo as Director of Marketing

Fulcrum Acoustic Appoints Mountain AV Marketing as Sales Representative for Arizona

Fulcrum Acoustic Processor Settings Now Available for Apex CloudPower Amplifiers

Fulcrum Acoustic Releases New AHC2 High Output Coaxial Horn Loudspeakers

Passive Cardioid System for Boyne City High School Auditorium

Fulcrum Acoustic Appoints MC Marketing as Sales Representative for Southern California & Southern Nevada

Fulcrum Acoustic to Distribute APEX Amplifiers in the United States

Fulcrum Acoustic Unveils New Range of CCX Passive Cardioid Coaxial Loudspeakers

Fulcrum Acoustic Selects Mainline Marketing as Representatives for Florida & Puerto Rico

Fulcrum Acoustic Welcomes Zuo “Rambo” Zhao as Acoustical Engineer

Fulcrum Acoustic to Highlight Passive Cardioid Technology at ISE 2023

Fulcrum Acoustic System Deployed at Stetson University Baseball Stadium in DeLand, Florida

Fulcrum Acoustic to Exhibit as Platinum Partner at the cavlo Tech Trade Show

Fulcrum Acoustic Welcomes John Geraghty as Acoustical Engineer

Fulcrum Acoustic Appoints Val Gilbert as Director of Business Development for Export

Fulcrum Acoustic Celebrates Rich Frembes' Promotion to Director of Loudspeaker Engineering

Fulcrum Acoustic at InfoComm 2023

Fulcrum Acoustic Promotes Todd Foster to VP of Sales

Fulcrum Acoustic to Feature Passive Cardioid Technology™ at NAMM 2023

Suite of Immersive Tools Unveiled at InfoComm Demo Room

New Products and Technologies at InfoComm 2024

Fulcrum Acoustic Appoints AUX Import as New Distributor in the UK

Fulcrum Acoustic Serves Up Custom Loudspeakers at Stylish Dallas Restaurant

Immersive Audio for Worship Spaces – Religious Product News

Fulcrum Acoustic Names Aligned AV as Distributor for Vietnam

Fulcrum Acoustic Appoints CBK Group as Exclusive Distributor for the Nordics

Fulcrum Acoustic Appoints Avientek as Exclusive Distributor for the Middle East and Africa

Western Park Arena in Utah Upgrades with Fulcrum Acoustic System

Fulcrum Acoustic Releases One Software Version 1.3

DataVisual Marketing Named Exclusive Distribution Partner for Fulcrum Acoustic in Canada

Fulcrum Acoustic to Showcase Advanced Audio Technologies at ISE 2025

Fulcrum Acoustic Partners with Universal Procurement Systems to Expand in Key Asia-Pacific Markets

Fulcrum Acoustic Expands International Distribution Network with Appointment of Audio Wizard in India

Introducing Fulcrum One, a Comprehensive Software for Sound System Design

Introducing the New RX Series

Fulcrum Immersive Appoints Luke Vogel as Market Development Manager

Introducing Fulcrum Immersive

MONDO | STADIA – Spartan Stadium Profile

Fulcrum Acoustic Installed at the Parx Casio Beer Garden in Pennsylvania

Fulcrum Acoustic Deployed In Several Restaurant Systems In The Dallas Area

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