"SeymourDuncanQuarterPound Jazz BassSet, Jazz Bass Pickup Set, For 4-string bass, Passive design, 1/4"" Alnico V magnets, High output, Calibriated set, DC resistance neck: 13.9 kOhms, DC resistance bridge: 14.61 kOhms, Resonance-frequen..."Seymour Duncan Quarter Pound Jazz Bass Set, Jazz Bass Pickup Set, For 4-string bass, Passive design, 1/4"" Alnico V magnets, High output, Calibriated set, DC resistance neck: 13.9 kOhms, DC resistance bridge: 14.61 kOhms, Resonance-frequency neck: 4.3...altro...