Don't want to hijack the Westone Club and I've seen plenty of others ask... Have a Westone Spectrum ST, according to the catalog it has a singleMagnabass I pickup. There's a I, II, III, IV, & V. What are the differences? Mine seens to be a pbass type but the III is as well? There's also a "Westbone mod" where you add the missing pole pieces to essentially make a humbucker out of it. Dual coils and 16 spots for slugs. Figured this was a part of the Cliff Burton lore...MBII in the black n gold.