Wiardgroup

> What's the current requirement for the GR-1209B joystick? 
> 

At a 10 volt output, each axis draws about 4 milliamps. With the 
gate button pressed the LED draws about 9 milliamps.

So maximum current draw will be when both axis are outputing 
10 volts and the gate button is pressed 4+4+9=17 milliamps.

I call it 25 ma for budgetary purposes, as currents could change 
at temperature extremes.

BTW, as a general engineering rule, you should not load a 
power supply to 100% of it's rated capacity. It will almost certainly 
misbehave at some point, due to overheating. Around 80% is all 
I would try to push any supply for reliable operation over 
temperature range.