ESS AMT Factory HEIL Speaker Ribbon Replacement Diaphragm 689-1109
Genuine replacement diaphragms for many ESS Heil Air Motion Transformers, past and present. Original factory ESS partHand folded, USA made, Double sided, HEIL Air Motion Transformer, Original Silver Mylar pleated ribbon, This is NOT the generic mylar version that others sell. Easy to install—AMT performance is quickly restored to new!