Reply to thread

Message

<blockquote data-quote="Buck" data-source="post: 8906309" data-attributes="member: 591582">the whole box is a Helmholtz resonator, not just the hole in the box <img class="smilie smilie--emoji" loading="lazy" alt="😉" title="😉" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" />I created a Helmholtz hole in your mom&#039;s box. It resonated so well the walls blew out.Actually how the basics work:[ATTACH=full]67686[/ATTACH][URL unfurl=&quot;true&quot;]https://en.m.wikipedia.org/wiki/Helmholtz_resonance[/URL]Just for anyone else interested.You have raw wavelength tuning which is simply distance but then you have relative mass loading between the chamber and port, basically, where ratios there greatly influence resonance, such as a box can resonate way below what its wavelength distance is because you can create such a large chamber to port ratio.&nbsp; It&#039;s all about timing the energy of a standing wave in a structured mass of air.&nbsp; Helmholtz is like relative mass tuning to me because ratios matter, which differs somewhat from transmission lines but both wavelength and mass ratio tunings can be applied and used together, basically.Wavelength tuning:[URL unfurl=&quot;true&quot;]http://quarter-wave.com/[/URL]This is wavelength tuning:[ATTACH=full]67687[/ATTACH]</blockquote>

[QUOTE="Buck, post: 8906309, member: 591582"] the whole box is a Helmholtz resonator, not just the hole in the box 😉 I created a Helmholtz hole in your mom's box. It resonated so well the walls blew out. Actually how the basics work: [ATTACH type="full" alt="IMG_9373.jpeg"]67686[/ATTACH] [URL unfurl="true"]https://en.m.wikipedia.org/wiki/Helmholtz_resonance[/URL] Just for anyone else interested. You have raw wavelength tuning which is simply distance but then you have relative mass loading between the chamber and port, basically, where ratios there greatly influence resonance, such as a box can resonate way below what its wavelength distance is because you can create such a large chamber to port ratio. It's all about timing the energy of a standing wave in a structured mass of air. Helmholtz is like relative mass tuning to me because ratios matter, which differs somewhat from transmission lines but both wavelength and mass ratio tunings can be applied and used together, basically. Wavelength tuning: [URL unfurl="true"]http://quarter-wave.com/[/URL] This is wavelength tuning: [ATTACH type="full" alt="1757093845412.jpeg"]67687[/ATTACH] [/QUOTE]

Verification