I don't believe in getting anyones sound because as musicians you are proud of being unique and having your own flavor. But in response to thatwakk wyldes amp settings forhis jcm800 are Zakk Wylde Settings

Bass - 10
Mid - 4-6
Treble - 4-6
Presence - 2
Master - 4-6

Hope that helps or gives you a basis to work with.