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Ozzy Osbourne
Tone profile
What makes this tone
Signal chain
Tone Character
Recorded tone character
Gain character
Huge, saturated JCM800 crunch with a hard pick attack and strong harmonic bite.
Bass
Very full low end, but controlled enough to keep the riff from turning loose.
Mids
Moderate, giving the tone weight without becoming honky.
Treble
Bright and aggressive, supporting Zakk Wylde's cutting attack and pinch harmonics.
Brightness / presence
Presence is comparatively restrained while the treble remains high.
Compression
Strong boosted-Marshall compression with clear pick definition.
Effects
Boss SD-1 overdrive and Boss CH-1 chorus are central to the recorded guitar texture; mix delay appears around the solo/outro.
Evidence / Sources
Tone character: huge, tight, bright, saturated, bass-heavy, harmonically aggressive, chorused
Targets Zakk Wylde's main heavy rhythm/lead reference. The six Tonafy values are a tonal translation of the documented rig, not literal claims about every physical control.
Boss SD-1 overdrive and Boss CH-1 chorus are central to the recorded guitar texture; mix delay appears around the solo/outro.
Guitar
1981 Gibson Les Paul Custom used by Zakk Wylde for the core recorded guitar tone
Amp
Two late-1980s Marshall JCM800 2203 100W heads with 6550 power tubes
Channel
High-gain Marshall input pushed by a Boss SD-1
Pickup
EMG 81 bridge / EMG 85 neck set
bridge pickup for the main heavy reference