Psychosocial amp settings — Valeton GP-100

The Slipknot guitar tone for “Psychosocial”, dialed in for a Valeton GP-100 with a Fox pro Lp 100. Studio version, All Hope Is Gone (2008)

Original rig

Jim Root (Fender Telecaster with EMG 81/60 into Orange Rockerverb 100 / Rivera Knucklehead Reverb) & Mick Thomson (Ibanez MTM1 with Seymour Duncan Blackouts / EMG 81 into Rivera KR-7 / VHT Pitbull / Marshall JCM800) boosted with TS/OD & tight noise gate in Drop A

Ultra-tight, percussive high-gain rhythm with heavy low-end thump and scooped bite

Amp settings — Valeton GP-100

CHANNELUS 2000 (Mesa Dual Rectifier model) + 4x12 V30 Cab IRBOOSToff

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

01Noise Gate Block (GP-100 NR)

Essential for cutting string rumble and achieving machine-gun staccato chugs in Drop A

Threshold 7 · Release 2

02Overdrive Block (GP-100 Green 9 / TS model)

Clean boost before amp block to cut sub-bass flub and tighten pick attack

Gain 0 · Tone 6 · Volume 9

Why these settings

On your Valeton GP-100, the US 2000 high-gain model captures the saturated low-end aggression of the album's Rivera/Orange blend. Your passive humbuckers lack the built-in mid compression and high output of Jim and Mick's active EMGs, so the Tube Screamer block in front acts as a tight clean boost (gain at 0, volume boosted) to tighten the Drop A low end. Reverb is set to zero to keep the rhythm completely dry and punchy.

PRO TIPMute firmly with the meat of your palm right against the bridge saddles on the chugs and use a heavy gauge pick (1.5mm+) to get the metallic, percussive clank essential to this riff.

Get this tone on your amp

These settings are for a Valeton GP-100. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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