Floods amp settings — Sheldon GT 1200

The Pantera guitar tone for “Floods”, dialed in for a Sheldon GT 1200 with a Memphis MG30. Studio version, The Great Southern Trendkill (1996) — iconic solo tone

Original rig

Washburn ML / Dime 333 (Bill Lawrence L-500XL) -> Furman PQ-3 -> MXR 6-Band Graphic EQ -> Randall Century 200 II Solid-State Head -> Randall 4x12 (Jaguar speakers)

High-gain, razor-sharp solid-state saturation with mid-boosted preamp front end scooped at the power stage, smooth sustaining decay, and studio delay/reverb

Amp settings — Sheldon GT 1200

CHANNELClean ChannelBRIGHToffBOOSToff

Knob	Setting (0–10)
Gain	2
Bass	7
Mid	4
Treble	7
Reverb	0
Master	5

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Digitech RP100 (High-Gain Amp Model / Drive Block)

Use the 'High Gain' or 'Rectifier' amp model block as the primary distortion source into the clean amp

Gain 8 · Bass 7 · Mid 4 · Treble 8

02Digitech RP100 (Digital Delay Block)

Set delay time to approximately 380-420ms for the spacious solo decay

D.Time 5 · F.Back 4 · E.Level 4

03Digitech RP100 (Studio Reverb Block)

Hall reverb block to replicate the haunting album space

Reverb Decay 6 · E.Level 4

Why these settings

The Digitech RP100 provides the heavily saturated high-gain distortion and ambient delays, so the Sheldon GT 1200 is set clean with gain at 2 to avoid muddy double-gain. Dimebag's signature tone relies on an aggressive upper-mid bite combined with scooped lower mids, so mid frequencies are pulled back while keeping treble high. Because the Sheldon amp is an unrecognized unit, standard controls are provided with unverified knobs nulled.

PRO TIPDimebag's singing sustain and screaming harmonics in the Floods solo come from aggressive vibrato and hitting pinch harmonics with the edge of the pick close to the bridge pickup.

Get this tone on your amp

These settings are for a Sheldon GT 1200. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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Song, artist and gear names are used to identify the tone being matched; ToneAdapt is not affiliated with or endorsed by the artists or manufacturers mentioned. Settings are AI-generated starting points — trust your ears.