Re: {GEAR} Bose personalized amp system
Posted by: d.morison <d.morison@...>
> Haven't heard them, but Bose has a reputation for hype. The part I
> found interesting in their description of the system was
>
> "Since the sound from these speakers diminishes so gradually, volume
> levels stay much more consistent for musicians and audience members."
>
> OK, I'm an engineer myself. This statement simply cannot be true. You
> know it as well as I do. You stand farther away from the source of a
> sound and it's volume decreases. Period. It decreases at a fixed rate
> depending on atmospheric conditions (and some stuff dealing with nodes
> and reflections).
Well, this may be the one part that they've got right. If they've managed
to make a true line source, then the sound will decrease at 3dB per
doubling of distance (due to having zero expansion of the wavefront in
the vertical plane) rather than the normal 6dB. Of course, given the size
of the things, that's only going to happen over a part of the audio
bandwidth, certainly not all the way down into the bass region. So I still
think there's too much hype, and that the system is probably overpriced
given its likely capabilities.
Cheers,
David.
David M. Morison
Land Management Department,
SAC, Craibstone Estate,
Aberdeen AB21 9TR.
Tel: 01224 711148
Fax: 01224 711295
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