Between the Ears: the art and science of measuring headphones Page 2

Between the Ears: the art and science of measuring headphones Page 2

Headphones get pretty short shrift in much of the hi-fi press, which is puzzling—the headphone market is burgeoning. I don't know what the equivalent US figures are, but in recent years the UK headphone market has increased by an annual 15–20% in both units sold and overall revenue. It's easy to dismiss this as a natural byproduct of the Apple iPod phenomenon, but 20% of the market value is now accounted for by headphones costing over $120; a significant subset of consumers would seem to be looking for quality. When you also consider that many people's first exposure to higher-quality audio comes via headphones, there is ample reason for treating them more seriously.

Between the Ears: the art and science of measuring headphones

Between the Ears: the art and science of measuring headphones

Headphones get pretty short shrift in much of the hi-fi press, which is puzzling—the headphone market is burgeoning. I don't know what the equivalent US figures are, but in recent years the UK headphone market has increased by an annual 15–20% in both units sold and overall revenue. It's easy to dismiss this as a natural byproduct of the Apple iPod phenomenon, but 20% of the market value is now accounted for by headphones costing over $120; a significant subset of consumers would seem to be looking for quality. When you also consider that many people's first exposure to higher-quality audio comes via headphones, there is ample reason for treating them more seriously.

The Fifth Element #49 Please Play

The Fifth Element #49 Please Play

We continue the search for the successor to Fried's Q loudspeaker of yore. Renaissance Audio is the former Morel USA, so they have a long track record in both OEM driver manufacture and making complete loudspeakers. As I mentioned in my <A HREF="http://www.stereophile.com/thefifthelement/608fifth/index1.html">June column</A>, their MLP-403.5 loudspeaker is a two-cubic-foot, sealed-box three-way with a dome midrange driver, at the near-improbable price of $1090/pair (footnote 1).

The Fifth Element #49

The Fifth Element #49

We continue the search for the successor to Fried's Q loudspeaker of yore. Renaissance Audio is the former Morel USA, so they have a long track record in both OEM driver manufacture and making complete loudspeakers. As I mentioned in my <A HREF="http://www.stereophile.com/thefifthelement/608fifth/index1.html">June column</A>, their MLP-403.5 loudspeaker is a two-cubic-foot, sealed-box three-way with a dome midrange driver, at the near-improbable price of $1090/pair (footnote 1).

Your take on what equipment supports do.

Hola,

I was reading a review in an issue of "the other leading brand" about a piece of gear and it mentioned putting the piece of gear on cones for improved bass performance...and it made me wonder just how this is accomplished.

So, I thought I'd check the array of opinions here.

How do the cones do what they do?

What have you noticed in your Hi Fi experience?

An EE's "Studies On Residential Power Line Noise"

I am placing this here so that DUP doesn't thread crap; there are benefits to a strong firewall.

Raife Smith, Ph.D. (Electrical Engineering,Tulane University, Dr. Smith ) took a look at residential power line noise and the objective effects of power treatments.

Here is Part 1: Part 1

The other parts are then easy to find.

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