Hi Robbo,

I bought my Auday5 in October 2010 and had only ONE PROBLEM : A Style was stuck, sounded like a machine gun.

But I caused this error by my own : I did not press the "unplug usb-device" button from windows, so I got a corrupted filesystem on audya-hd.

I fixed it via scandisk, but Ketron had to send me an "undamaged file". They did it via email, and now, for more than 12 month I had NO PROBLEMS, neither before the upgrade to 4.2B nor thereafter.

My "A5" sometimes runs 10 minutes, sometimes 10 hrs, but never a bug ! No output problems.

I donīt use the midi-connection very often, but whe I do it works.

A few styles have a little timing problem, but that can be identified only by musicians I think.

I would buy it again if I had to decide to buy a Tyros4 or an Audya !

I must admit, that Iīm using the Audya5 only as a "home-player" only, but after almost 40 years playing accordion / organ I think that I can judge the capabilities of this instrument.
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Greetings from East-Frisia ( Northern-Germany )