Distorted Tone
Parabola
TOOL
BassProgressive metal2000s (early 2000s)
Original Gear
BassWal 4‑string custom (mahogany core, bird’s‑eye maple caps, mahogany/maple/rosewood neck)
AmpGallien‑Krueger 2001RB heads into Mesa/Boogie RoadReady 8x10 (clean) and Mesa/Boogie 4x12 (dirty) with Demeter preamps
PickupsWal-style active electronics (custom)
Amp Settings
gain6.5
bass5.5
mid7
treble6.5
presence6
compression5
Effects & Signal Chain
No effects used for this tone
Notes
Justin Chancellor’s main bass for ~15 years; used on Lateralus era including “Parabola” recording/performances
Tone Character(3)
deep, punchy low‑endclear midrange definitionlayered clean and dirty tones
Difficulty
The bass part in “Parabola” involves syncopated, driving lines in drop‑B tuning with tonal layering and precise dynamics, making it intermediate to advanced in difficulty.
Sources
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Create Free AccountBassProgressive metal2000s (early 2000s)
Original Gear
BassWal 4‑string custom (mahogany core, bird’s‑eye maple caps, mahogany/maple/rosewood neck)
AmpGallien‑Krueger 2001RB heads into Mesa/Boogie RoadReady 8x10 (clean) and Mesa/Boogie 4x12 (dirty) with Demeter preamps
PickupsWal-style active electronics (custom)
Amp Settings
gain6.5
bass5.5
mid7
treble6.5
presence6
compression5
Effects & Signal Chain
No effects used for this tone
Notes
Justin Chancellor’s main bass for ~15 years; used on Lateralus era including “Parabola” recording/performances
Tone Character(3)
deep, punchy low‑endclear midrange definitionlayered clean and dirty tones
Difficulty
The bass part in “Parabola” involves syncopated, driving lines in drop‑B tuning with tonal layering and precise dynamics, making it intermediate to advanced in difficulty.
Parabola settings for your amp
Exact settings ToneAdapt players use on these amps.
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