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L-Acoustics X12 User Manual

L-Acoustics X12
100 pages
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X12
owner's manual (EN)

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L-Acoustics X12 Specifications

General IconGeneral
BrandL-Acoustics
ModelX12
CategorySpeaker System
LanguageEnglish

Summary

Safety

General Safety Instructions

Inspect system, perform preventive maintenance, use approved accessories, and avoid unstable storage.

Mechanical Safety

Flown Configurations Safety and Limits

Compliance with Machinery Directive; safety factors for flown deployments.

Assessing Mechanical Safety with Soundvision

Model system in Soundvision, check Mechanical Data for stress/stability warnings.

Array Safety Considerations

Ground-stacked, flown array, and unusual condition safety considerations.

Loudspeaker Configurations

X12 with SB15m and Delays

X12 with SB15m for augmented LF, reinforced contour, and pre-alignment delays.

X12 with SB18 and Delays

X12 with SB18 for reinforced LF, extended bandwidth, and pre-alignment delays.

X12 with KS21 and Delays

X12 with KS21 for reinforced LF, extended bandwidth, and pre-alignment delays.

X12 Stage Monitor and Low-Latency Preset

X12 as a stage monitor with [X12_MO] preset and low-latency options.

X12 Stage Monitor with SB15m and Delays

X12 stage monitor with SB15m for augmented LF and pre-alignment delays.

X12 Stage Monitor with SB18 and Delays

X12 stage monitor with SB18 for augmented LF and pre-alignment delays.

X12 Stage Monitor with KS21 and Delays

X12 stage monitor with KS21 for augmented LF and pre-alignment delays.

Inspection and Preventive Maintenance

Maintenance Procedures Overview

List of procedures: system inspection, rigging/hardware check, and acoustics check.

Rigging Part Inspection Procedure

Detailed procedure for inspecting rigging parts for wear, damage, and loose fasteners.

Mechanical System Overview

Highlights critical parts of lifting chains and indicates visual/functional checks.

X12 Rigging Inspection Points

Inspection points for X12 with X-UL12, X-US1215/X-UTILT rigging.

X12 Rigging Inspection Points (continued)

Inspection points for X12 with X-BAR/CLAMP250 and pole-mounted configurations.

Inspection References: Runners, Risers, and Knobs

Criteria for checking runners, risers, and threaded knobs.

Acoustical Check: Enclosure Check Procedure

Procedure for measuring loudspeaker impedance to detect circuit continuity issues.

Interpreting Enclosure Check Results

Table for interpreting OK, ?, NC, NOK, UNDEF results and corresponding instructions.

Listening Test and LF Speaker Troubleshooting

Procedure for testing sound quality and troubleshooting LF speaker issues.

HF Driver Troubleshooting

Diagnosing and resolving HF driver issues like distortion, vibrations, or weak sound.

Rigging Procedures

Securing Enclosure to U-bracket

Placing enclosure in U-bracket and locking knobs via spring-lock mechanism.

Setting Site Angle and Tightening Knobs

Adjusting site angle using the reference screw and tightening knobs for stability.

Securing Rigging Arm and Using Central Insert

Attaching rigging arm to U-bracket, ensuring correct position and using central insert.

Connection to LA Amplified Controllers

Enclosure Drive Capacity

Ensuring connected enclosures do not exceed controller capacity (LA4X, LA8, LA12X).

Corrective Maintenance

D/R - Grill Replacement

Procedure for grill removal and reinstallation using specific tools and torque.

D/R - Coaxial Loudspeaker Replacement

Procedure for replacing the coaxial speaker, including gasket and screws.

D/R - HF Diaphragm Replacement

Procedure for HF diaphragm replacement, including cover removal and shim management.

HF Diaphragm Reassembly

Procedure for cleaning air gap, placing shims, diaphragm, and securing the cover.

Forbidden Configurations

Forbidden vs. Authorized Mounting Configurations

Visual guide showing forbidden and authorized ways to mount the X12 enclosure.

More Forbidden vs. Authorized Configurations

Further visual examples of forbidden and authorized mounting configurations.

X12 Specifications

SB15m Specifications

SB18 Specifications

SB18 Ili Specifications

KS21 Specifications

KS21i Specifications

Recommendation for Speaker Cables

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