Dear Ericl
http://www.audioreview.com/mfr/grado...2_5823crx.aspx
AR's description says,
"Description:Moving coil cartridges from the Grado Reference Series (The Sonata is also known as the Signature.)"
Grado doesnt make MC cartridges.
Sorry, you are probably reading this and thinking. Okay thanks but please dont hesitate to goto hell.
-JRA