The averaged amp settings for a singing sustain guitar tone are gain 6, bass 5.5, mid 6.5, treble 6.5, presence 5.5 (out of 10), measured across 236 researched tones. Start there, then adapt to your own guitar, amp and pedals below.
Amps most used for this character: Marshall (×16) · Marshall JCM800 2203 (×8) · Marshall / Fender (×8) · Mesa/Boogie Dual Rectifier (×6)
🎛️ Dial any of these in for YOUR rig — free →Averaged across 236 researched singing sustain tones: gain 6, bass 5.5, mid 6.5, treble 6.5, presence 5.5 (out of 10). That EQ is the shape that produces the singing sustain character — start there, then fine-tune by ear.
Start from gain 6, bass 5.5, mid 6.5, treble 6.5, presence 5.5 (out of 10), then let GuitarToneAdapt compensate for your specific amp, guitar and pickups so the singing sustain character survives on your own rig — free, no new gear.
Across these tones the singing sustain character comes most from Marshall, Marshall JCM800 2203, Marshall / Fender, Mesa/Boogie Dual Rectifier. But you don’t need a specific amp — the singing sustain quality is mostly EQ + gain shaping, which GuitarToneAdapt re-dials for whatever you own.