Talk:Sony PCM-501ES digital audio processor

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The content of the Sony PCM-501ES digital audio processorSony PCM-501ES digital audio processor page was merged into PCM adaptor on 2018-02-19 and it now redirects there. For the contribution history and old versions of the merged article, please see its history.

This article is poorly written and has no sources at all. I don't even think the details are correct. What was the source for "It was released in 1984" and that it was "semi-professional"?