There is a project in the works that will actually create a projector that does not have a lamp. This may sound surprising, but this could revolutionize the way that people use projectors. It may even save on overall energy costs, which will be a major draw for people out there. The projector itself can last up to 800,000 hours, which will help make sure that people get the best overall usage out of it for a long time to come.
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Bright Ideas: Lamp-Less Projector Update.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?
.Plaster is a viable middle and high frequency absorber. We have used it many times in new builds that have…
Hi Dennis I'm curious what you think of acoustic perforated plaster - say CST Galaxy -on particularly ceilings in music…