One that is currently under review is in the area of Plasma Physics. Some of you may remember, though this is a big ask, B&W’s second speaker the P2, which employed a ‘plasma tweeter’. Over the years we have returned to speakers that utilise a modulated plasma. Though they suffer from serious limitations – mainly that producing low frequencies in this way is not possible – they also have characteristics that are appealing, for example audible clarity and purity. Some work has been done in the past to properly understand these devices but a complete model has yet to be established. If a complete model can be found there is the possibility of optimising the performance – particularly the bandwidth. Now, the R&D team know a lot, but the detailed knowledge of Plasma Physics required to develop a model has to come from somewhere else. Fortunately within the Open University, based in Milton Keynes, there are a number of experts in this esoteric area. Therefore B&W is funding a PhD program with the OU to tap into this knowledge. Now, this is not a promise that B&W will produce a plasma loudspeaker anytime soon – this is a long shot project though one with potentially high payback. But it does give an insight into the way B&W approaches R&D.
Plasma Physics – Dr Gary Geaves (Head of Research and Development)Posted on 18 Nov 2008 | 1 comment
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