Seeing sound ... National Physical Laboratory uses lasers for visualising loudspeaker output.
Wednesday, 30 May 2012 6:24:00 pm Australia/Melbourne
Lasers have been used for loudspeaker measurements since the British manufacturer Celestion first set them up pointing at a cone in the early eighties...
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Saturday, 27 August 2011 9:22:00 am Australia/Melbourne
Vinyl sales a going through the roof...
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