I disagree youre statement about the V,harmonizer, it's much better than on the T1 & 3000.
I have no problem to play with the SA voices,never heard a dropout, ?? explane ?
I have never heard a synth/keyboard with a decent sound in Mono, it is made for stereo !
I agree about the desing, too sharp and why
again silver. . .
I wish they made a Tyros with real drawbars and audio synchronisation with the wave player, it would be perfect(and 76 keys:-)

Impuls
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Genos2,Yamaha YC61, Ventilator2 . : https://www.youtube.com/channel/UCmC6hdAR1v5lYN8twfn0YbA