Two classic amps, two different voices. The Soldano SLO is smooth, singing, saturated high-gain lead; the Marshall JCM800 is midrange-forward 80s rock crunch. Here is how their settings and the records made on them compare.
| Knob | Soldano SLO | Marshall JCM800 |
|---|---|---|
| Gain | 6 | 6.5 |
| Bass | 5.5 | 6 |
| Mid | 6 | 6 |
| Treble | 6.5 | 7 |
| Presence | 5.5 | 6 |
Averaged from 5 (Soldano SLO) and 84 (Marshall JCM800) famous recordings. Out of 10.
Go Soldano SLO if you want smooth, singing, saturated high-gain lead. Go Marshall JCM800 for midrange-forward 80s rock crunch. But the real point: you do not need either one. GuitarToneAdapt takes any tone recorded on these amps and re-dials it for the amp and guitar you actually own — free.
🎛️ Get either amp’s tones on YOUR rig — free →Neither is "better" — they are voiced differently. Soldano SLO is smooth, singing, saturated high-gain lead; Marshall JCM800 is midrange-forward 80s rock crunch. Pick by the tone you want, then adapt the settings to the amp you actually own.