Join Date: Nov 2009
Location: Gardendale, Alabama
Re: Quick question about current draw
You are correct to a point. Like the other day, my buddy accidentally plugged up a Electro-Harmonix #1 Echo with a 12V adapter instead of the 9V and it just made crazy "BLOOP BLOOP BLOOP" noises until I figured out he had the adapters wrong. Didn't hurt the pedal, but it made obvious noises from overpowering the circuits. If you were to plug up a 18V Dunlop wah with a 9V adapter (which ive done) it just sounds like garbage from underpowering.
Like you mentioned, always watch for the polarity, and match the voltage. Also be sure its DC or AC (although most small pedals are DC, some are AC). Its also hard to mix up the Digitech adapters, they are slightly larger tipped than the standard Boss/MXR/Dano/etc etc adapters.