Riff Tone

Franklin's Tower

Grateful Dead

Guitarrock1970s

Original Gear

Guitar1973 Doug Irwin 'Wolf' custom guitar

AmpFender Twin Reverb (Silverface, late 60s/early 70s)

PickupsDiMarzio Super II humbucker (middle position, split to single-coil)

Amp Settings

gain0

bass4.5

mid7.5

treble7.5

reverb3

presence5.5

Effects & Signal Chain

modulationMu-Tron Mu-Tron III Envelope Filter

Notes

Studio recording, 1975 (Blues for Allah sessions). Jerry Garcia's 'Wolf' guitar with split-coil middle pickup into a clean Fender Twin Reverb. No evidence of distortion/overdrive pedals for the riff. Envelope filter (Mu-Tron III) is clearly audible on the riff. Settings from forum posts reference live and studio use; studio context prioritized.

Tone Character(10)

bright and articulatebrittle and wonkyprecise and clearfunky envelope filter sweepclean and dynamiclinear and boxytrippy, expressive attacktouch-sensitivesnappy single-coil claritydistinctive rhythmic bounce

Difficulty

The riff requires intermediate skill due to syncopated rhythm, precise picking, and dynamic control to trigger the envelope filter musically. The clean tone demands accuracy and touch sensitivity.

Sources

Franklin's Tower Improv : r/gratefulguitar - Reddit "It’s a common misconception among the unconverted...": 5 songs guitarists need to hear by the Grateful Dead | MusicRadar

This tone has been researched 2 times by the community

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