Tone library / Black Sabbath / Electric funeral

Electric funeral amp settings — Boss Katana 50 MkII

The Black Sabbath guitar tone for “Electric funeral”, dialed in for a Boss Katana 50 MkII with a Ibanez GIO GRG170DX. Studio version, Paranoid (1970) — Main riff

Original rig

Gibson SG with humbuckers → Dallas Rangemaster Treble Booster (modified) → Tycobrahe Parapedal Wah → Laney LA100 BL cranked into 4x12 cabs

Dark, sludgy doom with wah-drenched riffs, heavy low-mids, and grinding sustain

Amp settings — Boss Katana 50 MkII

CHANNELCrunch Amp TypeBOOSTon

Knob	Setting (0–10)
Gain	6
Bass	7
Mid	8
Treble	5
Reverb	2
Master	5

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Guitar

PICKUPbridge TONE8 VOLUME10

Signal chain

01Katana Onboard Booster (Treble Boost / Clean Boost type)

Set Booster type to Treble Boost in Tone Studio to emulate Iommi's modified Rangemaster hitting the front end

Drive 4 · Tone 7 · Bottom 4 · Effect Level 8

02Katana Onboard Wah (Pedal FX or Auto-Wah block)

Used for the iconic slow sweeps during the main riff; leave parked or manually swept

Frequency 5 · Depth 8 · Resonance 6

Why these settings

The Katana's Crunch model replicates the vintage British break-up of Iommi's cranked Laney LA100 BL, while the onboard treble booster pushes the front end into thick doom saturation without getting flubby. We push the mids to 8 and bass to 7 to capture the heavy low-mid wall of sound, pulling the Ibanez humbucker's tone knob down slightly to take off modern ceramic harshness. Note that the Katana 50 MkII does not feature a physical presence control on its faceplate, so that setting is omitted. Faster section switch: sweep the wah fully forward or bypass it while keeping the boost engaged.

PRO TIPTony Iommi used ultra-light strings tuned down to C# (and sometimes standard with light tension) and picked heavily near the bridge with plastic prosthetic fingertips—dig in with heavy, deliberate downstrokes to replicate that unique percussive string rattle.

Get this tone on your amp

These settings are for a Boss Katana 50 MkII. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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