B&W ZZ25607 (PM1 & PM7) tweeter

How to replace a B&W ZZ25607 tweeter in B&W PM1 and PM7.


1. The damaged tweeter.
B&W ZZ25607 tweeter replacement - the damaged tweeter


2. Disconnect the tweeter housing from the speaker cabinet. To do this, loosen the metal mounting pin.
B&W ZZ25607 tweeter replacement - Disconnect the tweeter housing from the speaker cabinet.


3. Loosen the metal pin on the back of the tweeter housing. Note: there is a rubber inside the tweeter between de metal pin and the Nautilus horn. Remove the grille from the front of the tweeter housing.
B&W ZZ25607 tweeter replacement - Loosen the metal pin on the back of the tweeter housing.


4. The tweeter can now be removed from the tweeter housing. Carefully disconnect the connecting wires.
B&W ZZ25607 tweeter replacement - The tweeter can now be removed from the tweeter housing. Carefully disconnect the connecting wires.


5. The parts in the tweeter housing. The tweeter with Nautilus horn, the rubber ring and the metal locking pin.
B&W ZZ25607 tweeter replacement - The parts in the tweeter housing. The tweeter with Nautilus horn, the rubber ring and the metal locking pin.


6. Unscrew the Nautilus horn from the tweeter. The gasket / sealing ring can be reused. Screw the replacement tweeter (part number ZZ25607) onto the Nautilus horn after inserting the washer between the horn and tweeter.
B&W ZZ25607 tweeter replacement - Unscrew the Nautilus horn from the tweeter.


7. Attach the wires in the speaker enclosure to the tweeter. The red wire goes on the red marked pole of the tweeter. The wires are attached to the tweeter in the plastic cap.
B&W ZZ25607 tweeter replacement - Attach the wires in the speaker enclosure to the tweeter.


8. The red wire is attached to the red connector.
B&W ZZ25607 tweeter replacement - The red wire is attached to the red connector.


9. Attach the rubber cap to the metal pin and secure the tweeter in the tweeter housing by tightening the metal pin on the Nautilus horn in the tweeter housing.
B&W ZZ25607 tweeter replacement - Attach the rubber cap to the metal pin and secure the tweeter in the tweeter housing by tightening the metal pin on the Nautilus horn in the tweeter housing.


10. Replace the grille on the tweeter. Now attach the complete tweeter housing to the speaker cabinet.
B&W ZZ25607 tweeter replacement - Replace the grille on the tweeter. Now attach the complete tweeter housing to the speaker cabinet.