I just inherited this from someone. It’s a receiver cooler. It sits on top of a receiver and has two intake fans on the bottom and an exhaust port on the back. Problem is, he didn’t have the transformer for it. It calls for a 12v 1amp transformer. I have a bunch laying around the house, but they are all under or over powered on both volts and amps. My two best bets are a 18v/1111mA or a 19v/3.42a laptop transformer. Both of them make the unit run just fine. The unit, as far as I can tell is pretty basic. Two fans, a high/low/off switch and a few blue LEDs. Do I have to worry about burning anything out running it with 50% more volts then it asks for? And, what’s the worst that can happen, would it just stop working or is there a fire hazard?
I also have a .5v transformer but the fans don’t spin very fast with that one.