Raining blood amp settings — Line 6 Spider v20

The Slayer guitar tone for “Raining blood”, dialed in for a Line 6 Spider v20 with a Ibanez GRGR221FA-TDK. Studio version, Reign in Blood (1986)

Original rig

Marshall JCM800 2203 head, B.C. Rich guitars with DiMarzio Super Distortion pickups, Ibanez Tube Screamer TS9 as boost, tuned to E♭ Standard

Tight, aggressive thrash with scooped mids, saturated high-gain attack, and razor-sharp palm mutes

Amp settings — Line 6 Spider v20

CHANNELInsane

Knob	Setting (0–10)
Gain	7
Bass	8
Mid	2
Treble	7
Reverb	0
Master	6

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Guitar

PICKUPbridge TONE10 VOLUME10

Why these settings

The Spider V20 Insane channel approximates a boosted JCM800 high-gain voice. Gain set to 7 rather than maxed because the Insane channel saturates earlier than a real JCM800 with a TS9 in front. Mids scooped to 2 matches the original's thrash scoop; bass pushed to 8 for the low-end chunk. The Spider V20 has no presence knob. Tune to E♭ Standard before playing.

PRO TIPUse tight, consistent downstrokes directly over the bridge pickup with your palm muting hard against the saddles—Slayer's attack comes from picking hand precision, not just gain.

Get this tone on your amp

These settings are for a Line 6 Spider v20. 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.