AMT Iso Ring Replacement Information
The fastest and easiest way to replace a broken Iso-ring is to buy them locally. AMT iso-rings are also called O-rings and can be found at plumbing stores everywhere. In most cases, you can buy a replacement bag of 100 for just a few cents. 99% of all Iso-ring replacements can be found at these stores. Check for sizes below:
AMT Blue, Silver, and Gold rings: (LS, P808, Ta2 Top mic, Ta6 Top Mic, WS silver ring.
O-ring size: 020
Outside diameter: 1 Inch
Inside diameter: 7/8 Inch
Order a pack of 100 here: Amazon
AMT P800 Silver Ring:
O-ring size: 019
Outside diameter: 15/16 Inch
Inside diameter: 13/16 Inch
Order 019 Iso rings here: Amazon
Black Rings: S18C, S25B, S15G, System 1, Z1, Lower Mic on the Ta2, Lower Mic on the WS.
O-ring size: 018
Outside diameter: 7/8 Inch
Inside diameter: 5/8 Inch
Order for Black rings here: Amazon
AMT VS:
O-ring size: 013
Order VS Iso Ring here: Amazon