Magnepan Tympani 4A

I am the owner of a pair of Magnepan Tympani 4a’s. At least 35 year old now, and still in great shape. Still I think upgrading the Filters is a good idea. I’m looking for detailed drawings or anything else that can make my choices easier.
 

Attachments

  • 4E738DE5-A833-47C9-ACEC-3D10837F5217.jpeg
    4E738DE5-A833-47C9-ACEC-3D10837F5217.jpeg
    424.2 KB · Views: 15