Uploaded March 2025 | Updated September 2026, 3 weeks ago
My piezoelectric elements weren't very loud. I blamed everything except the actual problem. It's a simple fix, once you know it.
RELATED VIDEOS (including this one):
Crystal Radio Headphone Mod--DIY Part 1/2
youtu.be/oG5cDi9Va_Q
Crystal Radio Headphone Mod--DIY Part 2/2
youtu.be/v_9InMj-eL8
Problems with piezos video here:
youtu.be/Ol4vRyaK9E0
In this experiment, we explore why piezoelectric elements can sometimes sound way too quiet, and reveal the simple fix. While working on homemade earphones (without a 3D printer), I ran into a frustrating problem: my piezo elements produced little sound. After testing with a signal generator and comparing setups, I discovered that the issue wasn’t the element itself but how it was constrained. Just like a speaker cone needs proper support, a piezo element must be mounted or constrained to amplify sound effectively, otherwise it just “flaps in the air.” In this video, I demonstrate the difference between free-floating and properly mounted piezos, show the dramatic change in loudness, and explain what this means for DIY earphones, crystal radios, and other sound projects. Perfect for DIYers, experimenters, and anyone curious about electronics, sound, and practical hacks!
Hashtags:
#DIYElectronics #PiezoExperiment #CrystalRadio #DIYearphone
My piezoelectric elements weren't very loud. I blamed everything except the actual problem. It's a simple fix, once you know it.
RELATED VIDEOS (including this one):
Crystal Radio Headphone Mod--DIY Part 1/2
youtu.be/oG5cDi9Va_Q
Crystal Radio Headphone Mod--DIY Part 2/2
youtu.be/v_9InMj-eL8
Problems with piezos video here:
youtu.be/Ol4vRyaK9E0
In this experiment, we explore why piezoelectric elements can sometimes sound way too quiet, and reveal the simple fix. While working on homemade earphones (without a 3D printer), I ran into a frustrating problem: my piezo elements produced little sound. After testing with a signal generator and comparing setups, I discovered that the issue wasn’t the element itself but how it was constrained. Just like a speaker cone needs proper support, a piezo element must be mounted or constrained to amplify sound effectively, otherwise it just “flaps in the air.” In this video, I demonstrate the difference between free-floating and properly mounted piezos, show the dramatic change in loudness, and explain what this means for DIY earphones, crystal radios, and other sound projects. Perfect for DIYers, experimenters, and anyone curious about electronics, sound, and practical hacks!
Hashtags:
#DIYElectronics #PiezoExperiment #CrystalRadio #DIYearphone
