Replacing The Diaphragm Cover; Diaphragm Cover - Sennheiser HDA 300 Instruction Manual

Cleaning and maintaining the HDA 300

Replacing the diaphragm cover

1 Remove the ear pad from the ear cap.
2 Remove the diaphragm cover and dispose of it.
3 Place the new diaphragm cover so that four of the holes in the diaphragm
cover are positioned over the four retaining pins on the ear cap. If the
retaining pins do not fit into the holes, rotate the diaphragm cover 180°.
4 Pull the ear pad onto the ear cap. The edge of the ear pad should disappear
completely into the provided groove.
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