No, there are no legal issues there. Yamaha have never engaged any pursuit against the authors of these conversions in the 30 years of existence of the DX series. They are free, and these original Yamaha presets which are converted into PC/Mac files are a part of the remaining fame of the DX synths yet today. And Yamaha had even published themselves the structure of the sysex to allow this full activity around their DX series. A thing that Roland has never understood, keeping jealously the copyrights for themselves (except for the Juno series if I recall correctly). What is done with the original Yamaha sysex files could never be done with the original Roland sysex files, they behave totally differently with the users.arkmabat wrote:I hate to bring this up, but are there any legal issues with using factory DX7 presets? I've tried asking Yamaha USA but they don't seem to understand what a preset is. All the ones on the net were technically created by a user when they were transferred to the pc?
If I recall correctly Dave Benson, Bobby Blues and Jack Deckart (who all three can't be suspected of anything illegal) had explained that many years ago in Telnet discussions.