What is this? Found inside my SDA 3.1's

xjghost · 2015-01-09 19:33:03

When I moved one of my 3.1's I heard something inside. I pulled the PR and found this. It has threads in the 4 holes. Looks like it was glued to something or paper was glued to it. I have not pulled the other speakers yet. Everything sounds fine to me before I moved them.

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xjghost Posts: 1,101

April 2015

Right:

Left:

HT/2Channel: Emotiva MMC-1, Adcom GFA-555II, Polk SDA 3.1's, Teac TN-300 TT, Polk Center and Sub.

Bedroom system: Carver CT-24, Parasound HCA-800II, Monitor 10's

Additional projects: RTA 12c's
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