Gehenna amp settings — Valeton GP-200

The Slipknot guitar tone for “Gehenna”, dialed in for a Valeton GP-200 with a Yamaha Pacifica 012. Studio version, All Hope Is Gone (2008)

Original rig

Mick Thomson: Mesa Dual Rectifier, EMG 81 pickups, Maxon OD808 boost; Jim Root: Orange Rockerverb/Thunderverb, EMG pickups. Both tuned to Drop B.

Tight, heavily saturated modern metal with scooped mids, aggressive low-end chunk, and cutting high-frequency attack

Amp settings — Valeton GP-200

CHANNELMesa Dual Rec model (or closest high-gain Rectifier-style amp sim) — on GP-200 use 'US HiGain' or 'Recto' amp modelBRIGHToffBOOSToff

Knob	Setting (0–10)
Gain	7
Bass	6
Mid	4
Treble	7
Presence	6
Reverb	0
Master	7

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Tube Screamer / OD808 model (GP-200 internal)

Used as a clean boost before amp model to tighten low-end — essential for the Slipknot chunk. Drive at 0, level pushing the amp.

Drive 0 · Tone 5 · Level 7

02Noise Gate (GP-200 internal)

Critical for tight palm mutes and eliminating noise between riffs at high gain

Threshold 5 · Decay 3

034x12 Rectifier cab sim (GP-200 internal)

Use V30-loaded 4x12 cab IR if available, SM57 off-axis position

Mic Position 5

Why these settings

Your Pacifica's single-coil-sized bridge pickup has lower output than the EMG 81s used on the recording — the TS-style boost compensates by pushing the amp model harder. Gain is set at 7 rather than maxed because the GP-200's high-gain models saturate earlier than a real Rectifier; going higher gets fizzy. Mid at 4 gives the characteristic scoop without disappearing.

PRO TIPSlipknot's tightness comes from aggressive palm-mute technique with the pick angled sharply and striking close to the bridge. The original is tuned to Drop B — if staying in standard tuning, the tone will feel thinner; consider using the GP-200's pitch block dropped 4 semitones or focusing on the higher-register riffs.

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