Achieve Jimi Hendrix’s Iconic Tone Armed with custom-wound pickups, Seymour Duncan’s Jimi Hendrix Signature Loaded Pickguard is primed for serious sonic voodoo. These pickups strive for authenticity. Their magnets are even staggered in reverse to mimic the effect of playing your guitar upside down. If you’ve been chasing Jimi’s iconic tone, your quest ends with the Seymour Duncan Jimi Hendrix Signature Loaded Pickguard. This preloaded pickguard only fits guitars with swimming pool or humbucker routing. How Seymour Duncan helped craft Jimi’s iconic guitar tone On March 28, 1968, Seymour W. Duncan gave Jimi Hendrix a bag of.