Two classic amps, two different voices. The Vox AC30 is chimey, mid-rich British jangle; the Roland JC-120 is ultra-clean solid-state stereo chorus. Here is how their settings and the records made on them compare.
| Knob | Vox AC30 | Roland JC-120 |
|---|---|---|
| Gain | 4.5 | 2.5 |
| Bass | 5.5 | 5.5 |
| Mid | 6.5 | 6 |
| Treble | 6.5 | 7 |
| Presence | 5.5 | 5.5 |
Averaged from 37 (Vox AC30) and 23 (Roland JC-120) famous recordings. Out of 10.
Go Vox AC30 if you want chimey, mid-rich British jangle. Go Roland JC-120 for ultra-clean solid-state stereo chorus. 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. Vox AC30 is chimey, mid-rich British jangle; Roland JC-120 is ultra-clean solid-state stereo chorus. 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 Vox AC30 sits at gain 4.5, bass 5.5, mid 6.5, treble 6.5, presence 5.5; the Roland JC-120 at gain 2.5, bass 5.5, mid 6, treble 7, presence 5.5. The biggest gap is gain, where the Vox AC30 runs noticeably higher.
Notable Vox AC30 tones include Bohemian Rhapsody, Change (In the House of Flies), Lounge Act (Boombox Rehearsals). Notable Roland JC-120 tones include Every Breath You Take (Remastered 2003), En la Ciudad de la Furia, Midnight Rendezvous. GuitarToneAdapt can re-dial any of them onto the amp and guitar you already own, free.