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

8.3

Transducer service

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
LF loudspeaker removing procedure
1. Put the enclosure on a flat surface with grill facing the user.
2. Remove the grill: remove the 4 Torx
3. Remove the loudspeaker coaxial assembly: remove the 4 hex screws (4 mm) with split and flat washers,
lift up the loudspeaker (flat screwdriver).
4. Place the loudspeaker coaxial assembly in front of the enclosure with LF cone facing the flat surface.
5. Disconnect the four cables (2 red and 2 black ones) from the transducers electrical sockets.
6. Remove both hex screws (4 mm) located on the HF heat dissipation plate.
7. Remove the HF assembly.
LF loudspeaker replacing procedure
1. Place the LF loudspeaker in front of the enclosure with cone facing the flat surface, 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, red-labeled electrical pins on the same side, and screw in both
hex screws through the HF heat dissipation plate (hex 4 mm, 5 N.m/45 in.lb
3. Connect the four cables to the transducers electrical sockets: both short cables connect to the HF
sockets and both long cables to the LF sockets (for both transducers: red cable to the red-labeled pin
and black cable to the unlabeled pin).
4. Install the loudspeaker assembly in the enclosure and screw in the 4 hex screws with split and flat washers:
into each hex screw insert a split washer and then a flat washer (following this sequence) and screw in the
assembly to one of the four locations (hex 4 mm, 3 N.m/27 in.lb
5. Install the grill (logo oriented towards vents) and screw in the 4 Torx
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. Put the enclosure on a flat surface with grill facing the user.
2. Remove the grill: remove the 4 Torx
3. Remove the loudspeaker coaxial assembly: remove the 4 hex screws (4 mm) with split and flat washers,
lift up the loudspeaker (flat screwdriver).
4. Place the loudspeaker coaxial assembly with LF cone facing the flat surface.
5. Disconnect both cables (1 red and 1 black ones) from the HF driver electrical sockets.
6. To remove the diaphragm only: unscrew the 4 Pozidriv
and pull the diaphragm out from the magnet.
To remove the full HF driver: unscrew both hex screws (4 mm) from the heat dissipation plate, remove the
HF assembly from the LF speaker, unscrew both Torx
dissipation plate, remove the driver from the plate.
8XTI_UM_ML_1-1
®
(see section 8.4).
®
screws (T30) located on both sides, lift up the grill (flat screwdriver).
®
screws (T30) located on both sides, lift up the grill (flat screwdriver).
®
screws (PZ.2) from the back cover of the driver,
®
screws (T30) located on the rear face of the heat
w w w . l - a c o u s t i c s . c o m
, thread-locker).
f
).
f
®
screws (T30, 3 N.m/27 in.lb
EN
).
f
17 en 17
17 17