This article provides a variety of responses to the question by Audiogon member Michael Kingdom of “what is a reference system?” in terms of audio design. Responses range from short quips to long, detailed definitions. Many question the relevance of the term in view of current equipment and standards. At the end, readers share their comments on the article.
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What is a reference system? No manufacturers, please.
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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?