Ortofon Concorde Elektro Twin Pack - 2 x DJ Cartridges each fitted with stylus 2 Ortofon Electro Concorde turntable cartridges The rubber suspension is especially developed for scratch and back cueing It uses a spherical diamond and projects a high output (7 5 mV) Several Ortofon technologies make it possible to get high sound quality and low record wear at the high tracking forces that are necessary in disco environments