Amazon.com: Cartridge + Diamond stylus for DENON DJVL12, SL7D, DP55K, DP50L Red : Musical Instruments
Unisound - Denon DP-50M DP-50 series, DENON to its own excellent magnetic recording detection method employing the speed servo, bidirectional Fezuro' by the crystal oscillator by adding Kudosabo (newly developed LSI employed),