New loudspeaker technology claims to reduce unwanted leakage
Loudspeaker technology has not change dramatically since its invention; the basic concept has remained concept, although we are sure many speaker manufacturers will beg to differ.
Have you ever been trying to mix on headphones, next to a thundering loudspeaker that’s sending soundwaves in every direction?
A new loudspeaker technology has been unveiled that aims to make life easier for those moments, by reducing the amount of unwanted audio leakage from the speaker. Well, it’s not entirely new technology, however the big difference to anything that’s been done previously, is that the new concept employs completely passive technology. The new patent was filed under the title “Passive Cardioid Speaker” and granted to David W. Gunnes, co-founder and head of R&D at Fulcrum Acoustic LLC.
This is what he had to say about the new loudspeaker technology, “We see passive cardioid loudspeakers as a game-changing technology for the pro audio industry. They enable impressive directional control in less than half the space required for active cardioid arrays. This allows for cardioid performance in applications that might not otherwise have the budget or space to accommodate an active cardioid array.”
How does the technology actually work?
Like we mentioned above, the new loudspeaker technology employs only passive components. The concept uses meticulously designed cabinets, which employ a series of ports and other acoustically calibrated elements. Active cardioid arrays tend to result in an over-exaggerated cardioid pattern while Fulcrum Acoustics’ new passive technology has a much more even roll-off, starting just outside of the loudspeaker’s sweet spot and reaching -10db reduction at its highest point.
The passive cardioid technology was originally developed for use with subwoofers, which are synonymous for leakage in every direction, however the system has been so successful that they’re developing it further for use in full-range loudspeaker applications. Imagine the possibilities in the future, loudspeakers that won’t disturb your headphone mixing and studio monitors that won’t upset your neighbours!
For more information, check out Fulcrum Acoustics’ website.
