Got me a Peavey Blazer that I got from an estate sale. The amp sounds great . I had to resolder the input jack , but other then that it's been pretty good . The bad is the reverb hums like crazy . I replaced the original with a Accurtronics aftermarket one it's the blue one . It has a plastic body and whenever it is placed within the confines of the amp it starts to hum . And if you really crank the reverb it sounds like it is going to blow . Now if I put it outside of the amp it behaves normally . I have tried cleaning the jacks ect , but running out of ideas here . Any help is much appreciated. Thanks.