Do you own a Tech21 SansAmp RBI? If yes, PM me or email me, particularly if you bought it from Guitar Center. It turns out my RBI is a EU model, designed for 230VAC! A small batch of these was apparently shipped stateside in error. It still works even with the wrong voltage, but will work better after its fixed (a really minor process). Like I said, PM or email me, and I'll tell you how to check.