Transducer Service; Lf Loudspeaker; Hf Driver Or Diaphragm - L-Acoustics 8XT Manuel D'utilisation

8.3

Transducer service

!
In the following replacing procedures screw in each screw to the torque value of 5 N.m (45 in.lb
Add threadlocker to any screw which will be in contact with a metallic part (see section 8.4).
IMPORTANT
8.3.1

LF loudspeaker

If damaged, the 8" LF loudspeaker should be removed and repaired or replaced as described below. Recone kits are
available. Alternatively, reconing can be performed by L-ACOUSTICS
8" loudspeaker removing procedure
1. Roll both rubber bands back away from the grill.
2. Remove the grill: remove the 2 pozidrive screws, lift up the grill (use the flat screwdriver).
3. Remove the loudspeaker coaxial assembly: remove the 4 hex screws with grower and standard washers,
lift up the loudspeaker (use the flat screwdriver).
4. Place the loudspeaker coaxial assembly in front of the enclosure, with LF cone facing the table and LF electrical
connectors towards the user (in this way, the shorter HF cables cannot reach the LF sockets).
5. Disconnect the four cables (2 red and 2 black ones) from the transducer electrical sockets.
6. Remove the two hex screws located on the HF heat dissipation plate.
7. Remove the HF assembly.
8" loudspeaker replacing procedure
1. Place the LF speaker in front of the enclosure with cone facing the table, LF electrical connectors towards the
user (in this way, the shorter HF cables cannot reach the LF sockets).
2. Install the HF assembly on the LF loudspeaker and screw in the two hex screws through the HF heat
dissipation plate.
3. Connect the four cables to the transducers electrical sockets: the two short cables connect to the HF
sockets and the two long cables to the LF sockets (for both transducers: red cable to the red-marked
pin and black cable to the unmarked pin).
4. Install the loudspeaker assembly in the enclosure and screw in the 4 hex screws with grower and standard
washers: into each hex screw insert a grower washer and then a standard washer (following this order) and
screw in the assembly to one of the four locations.
5. Install the grill (logo oriented towards the pole mount socket) and screw in the 2 pozidrive screws
(pay attention for the tissue to slide along the inside of the cabinetry).
6. Put in place both rubber bands on the grill.
8.3.2

HF driver or diaphragm

If damaged, the HF diaphragm or the full HF driver should be removed and replaced as described below.
HF driver or diaphragm removing procedure
1. Roll both rubber bands back away from the grill.
2. Remove the grill: remove the 2 pozidrive screws, lift up the grill (use the flat screwdriver).
3. Remove the loudspeaker coaxial assembly: remove the 4 hex screws with grower and standard washers,
lift up the loudspeaker (use the flat screwdriver).
4. Place the loudspeaker coaxial assembly with LF cone facing the table and LF electrical connectors towards
the user (in this way, the shorter HF cables cannot reach the LF sockets).
5. Disconnect the 2 cables (1 red and 1 black ones) from the HF driver electrical sockets.
8XT_UM_ML_1.2
® (see section 8.4).
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