Check out this awesome way to save thousands of sounds to your Roland D-50 without the need for #sysex #systemexclusive #MIDIsounds downloading from your sequencer or computer.
No memory battery needed!
I will be doing a YouTube video on this soon.
http://www.hypersynth.com/Hcard_750.html
They also have Yamaha DX-7 DX-7II cards.
#yamahadx7 #yamahadx7sounds #yamahadx7sysex #yamahadx7iisounds
http://www.hypersynth.com/Hcard_701.html
http://www.hypersynth.com/Hcard_702.html