I get that you're miffed because you can't just take the cord that came with your iPad, stick the USB A end (which is designed to go into either a USB Host or USB power adapter, not into a USB peripheral device) into the DGX-660, and be up and running without having to buy anything extra.PierP wrote:That said, I don't quite agree on your statement above.
USB port design doesn't fall under Yamaha's umbrella (of course) but socket type choice definetly YES!
is there any techical reason to prefer an outdated USB-B instead of a super common, super standard USB-A?
No. It's just a commercial reason... to push users to buy a 70 eur i-UX1 cable that, by the way, doesn't work with lighting devices..
But you are 100% incorrect about Yamaha being able to choose a USB A port for connecting to a USB Host instead of a USB B port, and you are directing your anger and frustration at the wrong company.
Consider what would have happened if Yamaha had used a USB A port for connecting to a USB Host. USB Host devices (normally) use a USB A port of one size or other on their end (Apple's iOS devices being a notable exception). So you go to the store and buy a DGX-660, take it home, decide to connect it to your computer, and... what the heck? You can't connect it to your computer with one of the half dozen USB cables that you already have lying around your house, because apparently what you need is a special USB cable with an A plug on both ends! "That's crazy!" you shout as you go stomping off to the internet to special order a USB B to USB A adapter so you can convert the B end of your standard USB cable into a second A end.
Now consider what would have happened if someone besides Apple-- say, Microsoft-- had decided to use a proprietary connection port and not provide any USB ports, thus requiring everyone to go out and buy special adapters and interfaces that would go from something else (such as USB) to Microsoft's proprietary connection port. The world would be outraged! "Microsoft is evil! Microsoft is bad! Microsoft just wants to force everybody to have to buy special interfaces to go from industry standard connections to their own proprietary connection!"
(Actually, Barnes & Noble did put a proprietary connection port on their Nook tablets, similar to the way that Apple did with the iPad, and guess what? Some people bitched about it.)
But it wasn't Microsoft that did it, it was Apple, so everyone directs their anger and frustration at the "stupid" companies like Yamaha who made products that have industry-standard connections (such as USB), which means the only way to connect an iPad to those products is to go out and spend money on a special interface. Why do you think Apple had to-- had to-- create the Camera Connection Kit? And why do you think it's called a "Camera Connection Kit" instead of a "Special Kit for Connecting to Yamaha's Keyboards"? Why don't you try to connect your camera, or camcorder, or Casio keyboard, or Novation controller, etc., to your iPad? Guess what-- you won't be able to, at least not without buying a Camera Connection Kit or some other interface.
EDIT: PS-- Just to be clear, I'm not criticizing you for feeling and thinking as you do; and I've been angry and frustrated many times, and I know it isn't a good feeling. Also, I'm not anti-Apple. I don't own a Mac, but I'm flirting with the idea of buying a Mac Mini so I can compile my own apps for the iPad-- and the Mac would take a standard USB cable for connecting to my Yamahas just like a Windows or Linux PC does. I do have an iPad that I enjoy very much and use daily-- although, like you, I was less than thrilled about having to buy a Camera Connection Kit so I could connect my Yamaha keyboards to it. And I don't necessarily think that Apple's proprietary connections are a bad thing, as long as they offer some definite technical benefit besides forcing people like you and I to buy special adapters for connecting things to the iPad. But neither do I virtually worship Apple the way some people seem to, so I'm not afraid to state the obvious-- that the reason people like you and I must buy special interfaces or adapters for connecting our Yamaha keyboards to our iPads is because of Apple's decisions, and not because of Yamaha's decisions.