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Kerr Acoustic K300

Passive Monitors
Published June 2018
By Phil Ward

This debut speaker from new UK company Kerr Acoustic combines a number of unusual design elements — to impressive effect!

Here at Sound On Sound we’re always on the lookout for less orthodox approaches to nearfield monitoring, so when we spotted the Kerr Acoustic K300 on a pro audio retailer’s web site, we had no option but to follow it up. Only then did we discover that the K300 is manufactured less than six miles away from the Sound On Sound offices on the outskirts of Cambridge. In other words, right under our noses.

Kerr Acoustic K300But what, you might ask, was the unorthodoxy of the K300 that grabbed our attention? Well, there are three elements to it. Firstly, the K300 is a passive monitor and, in an active dominated nearfield world, that’s of interest because it speaks of a design that swims against the tide. Secondly, in contrast to the AMT (air motion transformer) style folded-ribbon tweeters that are becoming increasingly popular among monitor designers, the K300’s ribbon tweeter sports a simple and extraordinarily light unfolded diaphragm. And lastly, the K300 uses neither a ported nor closed-box low-frequency system, but employs a folded, quarter-wave transmission line that’s similar to the technology employed by PMC in their very well-respected monitors.

But who are Kerr Acoustic and where did they spring from? Company founder Jes Kerr is a drummer and percussionist, and an Audio & Music Technology graduate from Anglia Ruskin University. Rather than forge a career as a studio engineer, Jes chose to follow his interest in speaker design to create a studio monitor business. There’s a family element to the business too, because Jes’ father Steve is a joiner by trade...

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Published June 2018