Chapter 8

Archival and Non-Standard Equalisation

Archival Transcription

This chapter deals with the differing requirements for reproducing discs, or indeed cylinders, that are not made to the microgroove standard. The subject of archival transcription is a large and complex one, and here I concentrate on the electronics. For disc replay there are many factors relating to stylus size and shape, tracking weight, etc., which we cannot explore here.

The major electronic problem is replay equalisation. Forget about having one universally accepted equalisation, like the RIAA characteristic for microgroove discs. As you have seen in earlier chapters, implementing the RIAA both accurately and economically is quite a challenge. Early discs used a wide ...

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