The Sennheiser 424s were a popular choice because of the bold colors featured on the cushions. Aside from the knock out look, they were also a great choice because they are very light and were a major improvement over the bulky styles. This pair is going to get a rebuild to see if they still hold up in quality performance.
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Remember the Sennheiser 424s. Always a cool color.
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…