Seymour Duncan 11402-22 SMB-4A 4 string for 70’s Music Man Alnico 5 Rods4 string Music Man Stingray replacement pickup (SMB 4A) that features alnico 5 rods and is voiced like the original 70s Stingrays, for a more organic response and feel. We have constructed a Music Man pickup that captures the feel and warmth of the originals. All the vintage 70s Music Man tone can be found in this version, which uses oversized alnico 5 rod magnets, together with our unique coil windings, to deliver an extended response at both the