A Roland JC-120 Jazz Chorus guitar tone starts around gain 2.5, bass 5.5, mid 6, treble 7, presence 5.5 (out of 10), averaged from 23 famous recordings made on one. Use the all-rounder dials below, then jump into any specific tone — GuitarToneAdapt re-dials it for the exact guitar, pickups and amp you actually own.
New to dialing in an amp? Guitar amp settings explained — what gain, bass, mid, treble & presence each knob does, with starting-point settings by style.
Across 23 famous recordings: gain 2.5, bass 5.5, mid 6, treble 7, presence 5.5 (out of 10). Tune from there per song.
Set the EQ to roughly bass 5.5, mid 6, treble 7, presence 5.5, with gain 2.5 (all out of 10). Lower the gain for cleaner tones; push the mids to cut through a band.
Genre averages on this amp: rock (gain 3.5, mid 6.5); post-punk (gain 2, mid 5); indie rock (gain 2.5, mid 6.5); jazz (gain 2.5, mid 6.5). See "Starting points by genre" above for exact gain/bass/mid/treble/presence, or open any song and GuitarToneAdapt re-dials it for your own rig.
No. GuitarToneAdapt models how a Roland JC-120 Jazz Chorus shapes the sound and compensates for the amp and guitar you have, free in the browser.