751-0625   ...Brand New Genuine Infinity LONG  Emit Diaphragm for QLS tweeter used in Quantum 1, Quantum 2 and Quantum 3. This diaphragm repairs the 902-0157 tweeter which is available and the 902-0228 tweeter which is not.

We have one of these diaphragms left and then they are NLA (no longer available)