Vibratory or Not?


This is a discussion that for me began on the Stereophile forum which went horribly wrong in my opinion. I was wondering though if this same topic could be discussed here as it comes up a lot in one form or another. My background has been about vibratory tuning as far back as the 70's work in the recording industry and continued into home audio and beyond. The audio signal is one that can be easily tuned, I doubt there is much room there for debate, but we will see, it's Audiogon after all. This being the case I have always concluded that the audio signal is vibratory so has anyone I have ever worked with. It's a common and sometimes even daily practice for someone here to make a vibratory adjustment changing the sound which is obvious to all.

On some of these forum threads however you will see posts saying to get rid of the vibration, without any explanation as to how to remove vibration without altering the audio signal. Every vibratory move I have ever seen done changes the performance of the sound. I've also been a part of the variables of the audio signal during play in real time. If the audio signal is not vibratory how does it change?

I invite you to discuss the vibratory structure and nature of the audio signal.

thanks, lets keep trolling to a minimum please

michaelgreenaudio
I only ask good questions. Let’s see if someone gets the right answer. 😛

It all hinges on how one defines the word vibration. And on how one defines the audio signal. So, unless everyone agrees on terms, which I actually don’t see happening, it will always be a Tijuana stand-off. One way to figure out if vibration isolation is real is to isolate a component and see if it improves the sound. You don’t have to be a rocket scientist. 🚀

There are many inexpensive ways to isolate a CD player, preamp or amplifier. Here are a few.

1. 3 Super Balls (1”) in short glass candle holders with inside diameter 1 1/2”
2. Suspension using bungee cords
3. Compression springs of the correct stiffness and geometry
4. Very small bicycle inner tube, inflate to 15-30 psi depending on weight of component, not too stiff, not too floppy
Whatever happened to AVM (Anti Vibration Magic)? It seems to have vanished. I used to use it sometimes on printed circuit boards. It was very ugly but very effective...

Hi Geoff

When you did your research on the 4 above you did not find any variables? I have yet to find any audio placements to not be consistent with the four fundamental interactions.

I don't see any differing definitions within the physics teaching here. The laws of interaction seem to have always been pretty clear to me or anyone I have ever studied with. How did you break away from the four fundamental interactions?

mg

Whoa! What! When did I break away from the four fundamental interactions? Them’s fighting words! I embrace the four fundamental interactions. Let me ask you a question or two. Which fundamental interaction is seismic vibration? How about acoustic wave vibration? What about vibration induced by CD vibration or vibration of the CD transport motor? Why are you ignoring those fundamental interactions? More to the point, why do you think the audio signal in wire is immune from those fundamental interactions? Why do you think you are not subject to the same laws of physics as everyone else?

Next up, which fundamental interaction does the audio signal in wires and cable fall into? What about current?

Also next up, can one fundamental interaction affect another fundamental interaction?

Also next up, the difference in physics between a variable and a constant.
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