Two classic amps, two different voices. The Mesa Dual Rectifier is loose, scooped, low-tuned modern heavy; the Marshall Plexi is open, dynamic, lower-gain vintage. Here is how their settings and the records made on them compare.
| Knob | Mesa Dual Rectifier | Marshall Plexi |
|---|---|---|
| Gain | 7 | 6 |
| Bass | 5.5 | 5.5 |
| Mid | 5.5 | 6.5 |
| Treble | 6.5 | 6.5 |
| Presence | 6 | 5.5 |
Averaged from 79 (Mesa Dual Rectifier) and 60 (Marshall Plexi) famous recordings. Out of 10.
Go Mesa Dual Rectifier if you want loose, scooped, low-tuned modern heavy. Go Marshall Plexi for open, dynamic, lower-gain vintage. 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. Mesa Dual Rectifier is loose, scooped, low-tuned modern heavy; Marshall Plexi is open, dynamic, lower-gain vintage. Pick by the tone you want, then adapt the settings to the amp you actually own.
Averaged across the famous recordings on each (knobs out of 10), the Mesa Dual Rectifier sits at gain 7, bass 5.5, mid 5.5, treble 6.5, presence 6; the Marshall Plexi at gain 6, bass 5.5, mid 6.5, treble 6.5, presence 5.5. The biggest gap is gain, where the Mesa Dual Rectifier runs noticeably higher.
Notable Mesa Dual Rectifier tones include My Own Summer (Shove It), Everlong, Aerials. Notable Marshall Plexi tones include Sweet Child O' Mine, Ain't Talkin' 'Bout Love, Sweet Child O' Mine. GuitarToneAdapt can re-dial any of them onto the amp and guitar you already own, free.