DE910 - MMD3BTN16M diaphragmsomebody knows what driver is inside d&b q7 top?
De900,910,914 or TN version of one of them?
https://www.bluearan.co.uk/index.php?id=BACDE910B&cw=592&cn=Tweeter_for_D&B_Q7_Q-7_Top=
https://products.electrovoice.com/binary/ND6eds.pdf