The most-played stadium solo of a generation — a Kris Derrig '59 Les Paul replica with Seymour Duncan Alnico II Pros, into a modified Marshall JCM800 2203, in Eb. The voice is sustain and vibrato, not gain: a singing, vocal lead with lush studio reverb floating it over the piano. Slash tracked the feedback by splitting into a second amp and playing back loud — the sustain is real, not a pedal.
Exact settings for the Marshall JCM800 across blues, classic rock, hard rock, and metal, on the real amp and on Helix, Quad Cortex, and Katana models.
Two Studio-line heads. Two of the most modified Marshall preamp topologies ever shipped. Which 20-watt version belongs on your board, and which one actually sounds like the amp it claims to copy.
The Celestion V30 takes a beating in modern djent contexts, and that criticism is fair. But in the medium-gain rock zone (Marshall plexis pushed to breakup, Bluesbreaker-stacked Twin Reverbs, AC30 territory), the V30 is still the speaker its 1990s reputation was built on. Here is when to choose it, and what it does that nothing else quite does.