Multi-audio system dedicated record needle MA-17CD New, unused, set of 2 Compatibility seems to exist with the following models, but please refrain from purchasing if you have any concerns. Compatible models: MA-17CD, MA-18CD, MA-21, MA-29W, MA-30W, MA-811, MA-88, MA-89, PT-300, RP-507, RP-507A *It does not appear to be compatible with AT-2520. I, although from a different company, am using it by attaching it to a Vestax portable player. Replacement Needle