Hi Audrey,
With reference to your remark "so it would seem Yamaha has adopted some of the Technics ideas." I think it is quite the opposite situation. The first keyboard I had was a Yamaha 6100 way back in the 80's or early 90's and it had a lift-up lid, with all the controls, just like the KN7000. The later Yamaha 6300 had the same arrangement.......

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Willum
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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)