Sumiko Olympia Oyster Series and Songbird Reference Series Phono Cartridges Piero GabucciOctober 1, 2018 It may be time to replace your phono cartridge, perhaps even a modest upgrade. Sumiko gives you many options and with the introduction of six new models, it may be time to consider this 40-year-old brand. Turntable AccessoriesVinyl AccessoriesVinyl Reviews