i know this is a stupid question but will running the rp300a with a 12vdc 700ma power supply burn anything out cause my freind did this with mine now all i can hear is a faint dumb sounding drum and thats it i want to figure out what got burnt out so could someone help me. thanks.
Yea id say you burned it out, since its only 9vdc and 300ma, its burned out, no more pedal for you.