Tone library / John Petrucci / Gravity

Gravity amp settings — Headrush Pedalboard

The John Petrucci guitar tone for “Gravity”, dialed in for a Headrush Pedalboard with a Fender American Original 60s Stratocaster. Studio version, Terminal Velocity (2020) — Signature progressive lead tone

Original rig

Ernie Ball Music Man Majesty (DiMarzio Dreamcatcher/Rainmaker pickups) into Mesa/Boogie JP-2C (Channel 3 Lead, 5-band graphic EQ V-curve), TC Electronic delay and chorus, Dunlop JP95 wah

High-gain, ultra-smooth, mid-focused singing lead with tight low end and stereo delay
Amp settings — Headrush Pedalboard
CHANNELTreadplate Lead / Modern Hi-Gain block (Mesa Mark/Recto voice) with 4x12 Recto V30 Cab IRBRIGHToffBOOSTon
GAIN 7 BASS 5 MID 6 TREBLE 5 PRESENCE 5 REVERB 2 MASTER 6
KnobSetting (0–10)
Gain7
Bass5
Mid6
Treble5
Presence5
Reverb2
Master6
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Guitar
PICKUPbridge TONE8 VOLUME10
Signal chain

01Graphic EQ (Onboard Post-Amp Block)

Mesa classic V-curve: tight low punch, scooped lower mids at 750Hz, boosted presence

80Hz 6 · 240Hz 4 · 750Hz 3 · 2.2kHz 5 · 6.6kHz 6

02Digital Delay (Onboard Delay Block)

Set delay time to roughly 480ms or dotted eighth note tap tempo

Time 6 · Feedback 3 · Mix 3

03Stereo Chorus (Onboard Modulation Block)

Subtle stereo width emulation based on Petrucci's Dreamscape TonePrint

Rate 2 · Depth 3 · Mix 2
Why these settings

Petrucci's signature tone relies on hot humbuckers and Mesa Mark-series cascaded gain with a post-gain 5-band graphic EQ V-curve. To compensate for the single-coil bridge on your Stratocaster, roll your tone knob back to 8 to tame the glassy 6kHz bite and engage the internal boost block to add humbucker-like compression and output. The graphic EQ block after the amp block is essential to replicate the signature JP-2C scooped-mid focus while maintaining vocal lead sustain.

PRO TIPPetrucci picks with a rigid, high-density pick (like a Dunlop Flow 2.0mm) very close to the bridge with minimal pick travel, generating surgical attack that cuts cleanly through heavy distortion.

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These settings are for a Headrush Pedalboard. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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