Nagaoka is a Japanese audio brand founded in 1940, originally specializing in precision clock parts. It has grown to become a leading manufacturer of phono cartridges and styli, producing around 90% of the world’s diamond styli. Known for their Moving Permalloy (MP) cartridges, Nagaoka offers models that deliver an organic, musical sound with excellent value. Popular cartridges like the MP-110 and MP-500 are favored for their rich and detailed audio. Nagaoka maintains strict quality control by producing all cartridge components in-house, earning a strong reputation among vinyl enthusiasts worldwide.