Roaring straight out of 1987 when it was introduced to commemorate the 25th anniversary of the company, the Marshall 2555X Silver Jubilee captures the tones of the original which changed the amp game forever, Bringing together features like triode/pentode switching, a preamp circuit with clean, rhythm clip, and lead modes, and improved switching circuitry, this model capitalizes on the huge tone of the original which attracted players like John Frusciante, Rich Robinson, and Slash.