Orange Amps Forum

I've had this CR120 for almost 2 years and I always ran it into a Peavey 4x12, in the 16ohm mono speaker input. The input jack failed and i switched to the 8ohm stereo jack. Played 2 shows and a few practices like this and the next time i went to use it, the volume or power suffered a huge cut. You can crank the volume up all the way and it isn't even close to what the volume used to be at 1/4 to 1/2 way up.
We tried different cabs and it was the same.

Does anybody know what caused this and/or what i need to fix it?

Thanks