Latter addition (1810). After re listening to 1/4in tape running at 7.5ips, with real instruments recorded either from Ferrograph series 6 or Uher 4200 and seeing some relevant dreams Pleiades experiments with cassettes are abandoned. The recording medium to be use will be possibly BASF SM611 1/4in tape.
It produces flat frequency responce from vocal chords of singer to listener's brain as there as roll offs.
There may not be HF boost EQ etc so no S problems.
Very simple and pure signal path.
Setup:
Piano and male singing voice - Sony F-96 microphone low Z at 1in - Sanyo TRC-2500 - Fuji DR60 cassette - Sanyo TRC-2500 (trough its tiny speaker), brilliant or Marantz PMD430 - Sennheiser HD580
It is not designed to play back low frequencies but records them brilliantly.
Reference:
Flat frequency responce from actor's, singer's vocal chords to listener's brain, Sound picture recording and reproducing characteristics - Morgan, Loye - Journal of the society of Motion Picture Engineeers
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