John Frusciante’s Line 6 DL-4 Delay Modeler

This pedal first appeared on John’s pedalboard sometime during the By The Way era, circa 2001. It was usually situated right next to a Line 6 FM4 Filter Modeler, which looks somewhat similar to it, apart from the fact that it’s purple. The DL-4 seemed to have been used all the way until John’s second departure from the band, and it was not seen again in 2022 when he came back to the band.

Based on the fact that John started using it during the By The Way tour, it is likely that the pedal is heard on at least Don’t Forget Me if not all the tracks that have some sort of delay effect. However, since at the same time he also used a DigiTech PDS 1002 Digital Delay, it’s hard to tell for sure which delay pedal was used on which song.


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