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Welcome to the PF.Rick00 said:If several sheets made of some kind of rubber are being used as acoustic insulators, which configuration would be more efficient to decouple a speaker and a wooden table, absorbing most vibrations? (Ps: Image not drawn to scale)View attachment 219348
I think it's ok to make assumptions here. We want minimal energy to reach the table via longitudinal waves.berkeman said:With the scale shown, I think there is an answer,
My calculation came out different, but I could be wrong.sophiecentaur said:So the massive / wide end of the support should be against the speaker and the narrow, high compliance end should be against the table.
If I were trying to do this, I would just look at as many images on Google as I could and follow up the best looking ones, Thousands (or more) people have worked on this and is there much point in re-inventing the wheel?Rick00 said:Hi, this is not a schoolwork :) It's something I might put into practice to solve a real problem (amateur studio), but advanced physics/math (undergrad level) is welcome. About the scale, I didn't draw it with total accuracy, however I'd say the differences can be neglected and everything that is relevant to the problem statement is shown in the image (I exaggerated the thickness and the width difference, so that the sheets are thinner, more similar, and also there are more of them). In practice, these would be the only 2 options, but feel free to discuss other rubber sheet configurations.
None of the above. Please post some links to your reading.Rick00 said:"What shape would result in the least amount of vibration transferred from the speaker to the table: A cone or an inverted cone?" I'd be glad to be orientated to the resources required to solve the problem, I just want to get the solution right and understand it :)
I think it is quite common to stand speakers on conical rubber or metal spikes. I'm only relating what I think I have seen in various HiFi suppliers. The usual caveat applies about the technical validity of most of what you read about HiFi and what is offered in the shops.berkeman said:Can you post examples of your reading where pyramid shapes are more important than layering and other considerations?
Rick00 said:result in the least amount of vibration transferred from the speaker to the table: ..." I'd be glad to be orientated to the resources required to solve the problem, I just want to get the solution right and understand it :)
Decoupling a speaker and a wooden table can greatly improve sound quality. This is because the vibrations from the speaker can be absorbed by the table, causing distortion and muddiness in the sound. By decoupling the speaker, these vibrations are reduced, resulting in a clearer and more accurate sound.
There are several materials that can be used to decouple a speaker and a wooden table. Some popular options include foam pads, rubber feet, and isolation spikes. The best material will depend on the specific setup and personal preference.
Yes, decoupling a speaker and a wooden table can improve bass response. When a speaker is placed on a surface, the vibrations from the bass frequencies can cause the surface to vibrate, resulting in a loss of energy and impact in the sound. By decoupling the speaker, these vibrations are reduced, resulting in a tighter and more accurate bass response.
Decoupling a speaker and a wooden table should not have a significant effect on the volume of the sound. However, it can improve the overall clarity and accuracy of the sound, which may make it seem louder or more impactful.
One potential downside of decoupling a speaker and a wooden table is the added cost and time for setup. Additionally, decoupling may not always be necessary or beneficial, especially for smaller speakers or in certain room acoustics. It is important to experiment and find the best setup for your specific system and preferences.