#1
I think i plugged the the wrong AC adapter into my metal muff, bc now it doesnt work.
i opened up the back and this:


is there any way i can fix this

sorry for big pic
My Gear

Epiphone Les Paul Standard
Epiphone Elitist Paul Mccartney Texan
Orange Tiny Terror
Vox Valvetronix AD 30
Vox V847 Wah
Metal Muff EQ (broken )
Boss RC-2 Loop pedal

Me playing
http://www.youtube.com/watch?v=l0unpDZFIWA
#3
To much voltage can ruin different things. It can take out electrolytic caps pretty easy. And can fry ICs or transistors. Some of the stuff you wont be able to tell by looking if its fried.