This is my full review about the Casiotone MT-70, a keyboard from 1982. It is one of 6 Casio keyboards that uses sine waves instead of multipulse square waves. It has a memory system with barcode reader pen, 20 Instruments and 10 Rhythms.

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0:00 Introduction
0:45 Sine Wave Keyboards
2:34 A Look Inside
5:13 Sounds
8:53 Accompaniment
10:59 Barcode Reader
13:20 Sequencer
16:47 Final Performance
18:56 Conclusion

Listen to some tracks on Soundcloud:
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