see if this helps. I found it online in a Tannoy ellipse passive manual. I can't see the actives being that much different if at all.
This is part of chapter 7 chapter on servicing
7.1 CABINET FINISH
To remove marks and scuffs use a soft brush, avoiding the moving parts of the Dual Concentric™ and superTweeter™
7.2 DRIVER REMOVAL
Lay the cabinet on its back. Remove the front mounted port tubes which are a friction fit in the cabinet. Remove the front
trim panel using a suitable plastic tool starting aound the port tube holes. Remove the ten hexagonal screws holding
down the Dual Concentric™ driver and set aside. ease the Dual Concentric™ driver from the front of the cabinet taking
care not to damage the front surface. remove the driver, note the polarity of the internal connections and disconnect
the internal wiring from both the lF and HF parts of the Dual Concentric™. Take care not to damage the moving parts of
the LF driver. To refit the driver, connect the cables from the crossover to the LF and HF terminals. Fit the driver into the
mounting hole, making sure that the internal connecting cables are not trapped or able to touch the lF cone. Fasten the
screws finger tight and then progressively tighten them down with the appropriate Allen key. Refit the front trim and
port tubes.
To remove the supertweeter™ housing remove the Dual Concentric™ driver as above. working inside the cabinet
remove the fixing nut to release the SuperTweeter™ housing and disconnect the cable. Dismantle the housing to release
the SuperTweeter™ capsule which must be replaced completely if faulty. Refit all parts in reverse order ensuring cables
are correctly connected and cannot interfere with moving parts. some or all of the acoustic absorbent may have to be
removed for access during the dismantling process. replace each piece in its original position
7.3 CROSSOVER
The crossover is mounted on the rear of the terminal panel. To inspect it, remove the panel by releasing the hexagonal
screws. Take care to avoid undue stress on the cables and components. it is most unlikely that any of the crossover
components will fail during the life of the loudspeaker system.
To remove the crossover completely the cables must be disconnected from the drive units. please proceed as above to
remove the Dual Concentric™ drive unit and superTweeter™ Housing.
next page is the warranty.
hope that helps some
