Listening Test - L-Acoustics 5XT Owner's Manual

Inspection and preventive maintenance

Listening test

enclosure
SB15m
5XT
Procedure
1. Load the preset on an LA2Xi / LA4X / LA8 / LA12X amplied controller.
2. Connect a sinus generator to the amplied controller.
Risk of hearing damage
Set a low sound level to start and use ear protection to adjust before testing.
3. Scan the bandwidth focusing on the usable range.
The sound should remain pure and free of unwanted noise.
Troubleshooting for LF speakers
One or more LF speaker produces distorted, buzzing, rubbing, clicking, mufed or weak sound.
Possible causes
• The screws are not tightened with the appropriate torque.
• There is an air leak in the gasket.
• There is dust on the cone.
• The cone is damaged.
• The surround is torn or delaminated.
• The voice coil or the spider is damaged.
Procedure
1. Perform the speaker disassembly procedure.
2. Visually inspect the cables and the connectors.
3. Visually inspect the speaker cone, the voice coil and the spider.
If any damage is visible, replace the speaker.
4. Carefully clean the speaker with a dry cloth.
5. Perform the reassembly procedure.
Replace the speaker gasket and the screws.
Apply the recommended torque.
6. Repeat the listening test.
If the problem persists, replace the speaker.
Troubleshooting for HF drivers
One or more HF driver produces high-frequency harmonic distortions, strange vibrations or weak sound.
Possible causes
• There are foreign particles on the air gap.
• The screws used for reassembly are too loose.
• The diaphragm is damaged.
Remedy
Contact L-Acoustics for more instructions.
22
preset
[SB15_100]
[5XT]
usable bandwidth
40 Hz - 120 Hz
95 Hz - 20 kHz
5XT owner's manual (EN) version 1.0