Should You Use Isolation Platforms?

Anyone who spends enough time with hi-fi will eventually encounter the same question: do isolation platforms actually make a difference?

And once we take that question a step further, another one naturally follows: is an audio rack better than having the equipment on its own, or is it better to do without one altogether?

In the world of hi-fi, changing the way a component is positioned, supported, coupled, or isolated can affect what we ultimately hear.

The more interesting question, however, is whether that change is one we actually want.

Put simply, do we like it or not?

Take the discussion one step further, and things become considerably more complicated. Is the resulting sound actually more accurate—or has it simply moved closer to what we happen to prefer?

The question of accuracy is a much bigger one, and we will take our time with it in a future discussion. As for whether we like what we hear, the answer is much simpler. We do not need anyone else to tell us. Our own ears are usually the best judge.

Based on my own experience with isolation platforms, I would say that they tend to be a matter of compromise. There is usually something gained and something given up. The midrange may become more convincing, for example, while the treble loses a little of its openness.

But if that happens to be the balance you are looking for, there is nothing inherently wrong with it.

There is, however, one thing worth keeping in mind.

Once you start placing an isolation platform under every component, the number of possible combinations increases rapidly. With each additional interface, support, or material entering the equation, there is a greater possibility that the changes begin to interact in unexpected ways.

This is one of the easiest traps to fall into when tuning a system: every individual step seems to improve something, yet the cumulative result does not necessarily make the system better.

As for audio racks, my own preference, in many situations, is to place the equipment directly on the floor. To my ears, this tends to produce the most natural and grounded presentation, with a greater sense of stability.

As the equipment is raised higher, I generally find that the perceived quantity and weight of the bass gradually diminish.

Of course, real listening rooms rarely give us the freedom to arrange every component in a neat row directly on the floor. This is where an audio rack becomes a practical necessity.

And if a rack can provide a sound that is more pleasing, or simply more in line with what you want from your system, then there is no reason not to regard it as another tool in the tuning process.