The following article is a brief as well as visual explanation of how a record is made. It walks the reader through the process step by step, from the master recordings to the physical creation of a vinyl record. It is pretty amazing that something so “digital” can take so much actual labor to create.
Read the full article here:
How to press a vinyl record – FACT Magazine: Music News, New Music.
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I’m seeking info for sanctuary reverberation absorbsion material ( panels) and best placement.
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?