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Bose L1 1S User Manual

Bose L1 1S
66 pages
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©2015 Bose Corporation
Reference Number 353918-SM Rev. 04
Service Manual
L1
®
Model 1S System
Power Stand, Cylindrical Radiator
®
and B1 and B2 Bass Modules
US/Canada, European and UK Versions
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Bose L1 1S Specifications

General IconGeneral
BrandBose
ModelL1 1S
CategoryRacks & Stands
LanguageEnglish

Summary

Safety Information and Handling Precautions

Warranty Coverage Details

Details the limited warranty periods for the power stand and bass modules.

Electrostatic Discharge Sensitive (ESDS) Device Handling

Provides precautions for handling ESDS devices to prevent damage.

System Specifications

Physical and Electrical Specifications

Details external dimensions, weight, input/output connections, controls, and electrical performance.

Acoustic and Part List Notes

Covers acoustic specifications and important notes regarding part ordering.

Product Description and Setup

Product Overview and System Components

Describes the L1 Model 1S system and its packaging.

Power Stand Setup and Connections

Instructions for setting up the power stand and connecting loudspeaker sections.

Input and Control Operations

Guide for connecting bass modules and operating panel controls.

Analog Input and T1 ToneMatch Setup

Procedures for setting analog input levels and connecting the T1 ToneMatch engine.

Part Lists

Packaging Part Lists

Lists all parts included in the packaging for each system component.

Main Part Lists

Provides exploded views and part numbers for major system assemblies.

Electrical Part Lists

Lists all electronic components for the Input/Output, SMPS, and AC Primary PCBs.

Disassembly Procedures

L1® Model 1S Power Stand Disassembly

Step-by-step guide to taking apart the power stand assembly.

Line Array Disassembly

Step-by-step guide to taking apart the line array section.

Bass Module Disassembly

Step-by-step guide to taking apart the B1 and B2 bass modules.

Test Procedures

L1® Model 1S Power Stand Tests

Procedures for testing power stand amplifier THD+N, noise, and system sweep.

Safety and System Integrity Tests

Includes mandatory Hi-Pot and Ground Bond tests for electrical safety.

Line Array and Bass Module Component Tests

Procedures for testing air leaks, transducers, and frequency sweeps for array and bass modules.

Appendix

Test Cable Construction

Instructions for building custom test cables required for various procedures.

Firmware Update Procedure

Procedure for updating the L1 Model 1S system EQ and firmware.

Service Manual Revision History

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