Over the decades, there have also been number of technologies and approaches in audio that have proven to not had a sonic effect. There have also been a number that have had claims of sonic effect without objective evidence, but years later the mechanism and measurements have been discovered to explain the effect.

I've been away from the Hitchhiker's board for a few years, and was surprised at how ungentlemanly and insulting this thread has become. Very unlike my memory of how respectful even heated discussions on this board were conducted.

Could be my sometimes faulty memory, but do the insults and condescension really help move the conversation along?

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