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JBL L20T3 User Manual

JBL L20T3
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JBL L20T3 Specifications

General IconGeneral
BrandJBL
ModelL20T3
CategorySpeaker System
LanguageEnglish

Summary

Connections

Connecting Loudspeakers

Connect amplifier or receiver to loudspeakers using appropriate wire gauge for distance.

Wire Gauge Recommendations

Minimum #18 AWG for 50ft, #16 AWG for 100ft, #14 AWG for 200ft.

Placement

Optimal Stereo Placement

Arrange speakers symmetrically for best stereo imaging, typically at 40°-60° angles.

Room Placement Effects

Bass response is affected by proximity to walls and corners.

Power Capacity

Amplifier Power Requirements

Recommended 200W for L20T3, 400W for L100T3 for full dynamic range.

Preventing Speaker Damage

Avoid amplifier clipping and distorted signals to protect drivers.

Service and Maintenance

Obtaining Service

Contact authorized JBL dealer for warranty service, bring sales receipt.

Grille Removal

Grasp grille corners and pull gently to remove pins.

Low Frequency Loudspeaker Access

Remove from front baffle after unscrewing four Phillips-head screws.

Enclosure and Finish

High Frequency Loudspeaker Access

Remove after low frequency driver; secured by four screws.

Dividing Network Service

Do not attempt to remove; return entire unit to dealer if malfunctioning.

Enclosure Construction

Extra high density composite, lock mitred, rock solid, free from resonances.

Enclosure Finish and Cleaning

Oil/wax preparation; clean with damp cloth for stains, soft brush for grille.

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