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Originally Posted by Alvaro Martín Gómez A. Well, the only info I have is that the adapter's polarity must be tip negative-barrel positive, but I don't know the voltage. I mean, if the pedal uses a single 9V battery, is it supposed that the adapter's selector should be at 9V? And what about the amperage? I saw one adapter yesterday and it reads "500 mA". Is it safe? Thank you again! |
- If the pedal uses a single 9V, then it runs at 9V. Set the switch on the adapter at 9V.
- Pretty much all adapters can put out sufficient current to power devices that otherwise run on 9V batteries. Remember, the power cord doesn't "force" current into the device; the device draws the current it needs, and that 500 mA is a max. capacity. But even if you ran into a rare case where the adapter couldn't meet the current demand, it wouldn't damage your pedal - it would simply not work correctly (or at all) with that power source.
It's good that you know the polarity. Give it a try - you won't hurt anything (as long as you don't bump the selector to a higher voltage!), and I bet it works.
