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JL Audio e112 User Manual

JL Audio e112
184 pages
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E-Sub Powered Subwoofer
Ow ner’s Ma nua l
Manuel de lutilisateur • Manual del propietario • Bedienungsanleitung
Manuale del proprietario • 用户手册
e112 e110

Table of Contents

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JL Audio e112 Specifications

General IconGeneral
TypePowered subwoofer
Driver Size12 inches
Enclosure TypeSealed
Power Handling (RMS)600 Watts
Power Handling (Peak)1200W
InputsL/R RCA, L/R XLR
ImpedanceN/A (Powered)

Summary

IMPORTANT SAFETY INSTRUCTIONS

General Operation & Retention

Read and retain all safety and operating instructions for proper use.

Environmental & Placement Safety

Avoid water, ensure ventilation, and keep away from heat sources.

Power & Surge Protection

Proper power connection and protection against lightning and surges.

Additional Safety & Handling Precautions

Object Entry & Damage Prevention

Prevent object/liquid entry; service for damage; limit user servicing.

Overload, Grounding & Usage Warnings

Avoid overloading outlets, ensure grounding, heed high sound pressure warnings.

JL Audio E-Sub Technologies

DMA-Optimized Motor System

Improves dynamic motor behavior, reduces distortion, and ensures faithful transient reproduction.

VRC & Floating-Cone™ Methods

Enhances cone/spider junction stability and excursion control for better performance.

Engineered Lead-Wire System

Ensures quiet lead-wire behavior, reducing distortion and improving reliability.

PRODUCT OVERVIEW

E-Sub System Design

Combines advanced driver, amplifier, and enclosure for exceptional low-frequency performance.

Driver and Amplifier Capabilities

High excursion driver and powerful switching amplifier for accurate bass reproduction.

Cabinet and Connectivity Features

Robust cabinet construction and versatile input/output options for system integration.

PLACING YOUR E-SUB IN YOUR LISTENING ROOM

Understanding Room Acoustics

How room dimensions create standing waves, peaks, and dips affecting sound.

Optimizing Subwoofer Placement

Experiment with positions to find best bass response and avoid room modes.

Placement Recommendations

Place near front speakers, avoid windows, experiment with distance from walls.

Recommended Subwoofer Placement Options

Single Subwoofer Placement Diagrams

Diagrams showing placement for 'more intense' or 'smoother' bass response.

Seating Position Guidance

Identifies 'best' and 'compromised' seating positions for accurate bass.

BUILT-IN INSTALLATION GUIDELINES

Cabinet Clearance Requirements

Minimum clearance for cooling and ventilation around the E-Sub amplifier panel and sides.

Custom Grille Ventilation Areas

Specify required vent area for custom grilles for optimal airflow.

USING TWO E-SUBS

Two Subwoofer Room Placement

Diagrams for placing two E-Subs in various room configurations for optimal bass.

Calibration and Experimentation

Recommends experimentation and professional calibration for best results.

USING THREE OR FOUR E-SUBS

Three Subwoofer Placement Options

Diagrams illustrating recommended placement for three E-Subs.

Four Subwoofer Placement Options

Diagrams showing optimal placement for four E-Subs for smoothest bass response.

Advanced Multi-Sub Setup Advice

Emphasizes experimentation and professional calibration for multi-subwoofer systems.

UNPACKING YOUR E-SUB

Unpacking Safety Precautions

Warning about subwoofer weight and recommendation for a second person.

Detailed Unpacking Steps

Step-by-step guide for safely removing the subwoofer from its packaging.

Packaging Retention Advice

Retain packaging for safe transportation and future service needs.

Top-Mounted Control Panel

Control Panel Layout Overview

Identifies the location and labels of controls on the top panel.

Control Function References

Lists controls and their corresponding page numbers for detailed explanations.

Rear Connection Panel

Connection Panel Layout Diagram

Diagram showing the rear panel layout and connection points.

Input, Output, and AC Terminals

Details on Line Inputs, High Level Inputs, Line Outputs, and AC Connector.

Grounded/Isolated Switch Function

Explanation of the switch for managing ground loop noise.

TOP-PANEL CONTROLS IN DETAIL

Power Switch and LED Indicator

Explains the three positions (Off, On, Auto) and LED states for the power switch.

Master Level Knob Operation

Details on adjusting the subwoofer's output level relative to the audio system.

Crossover and Polarity Controls

Crossover Switch Functionality

Determines operating mode of the built-in active crossover (Off/On).

Crossover Frequency Adjustment

Sets the crossover frequency from 25 Hz to 130 Hz for seamless integration.

Polarity Switch Operation

Selects normal (0 deg) or reversed (180 deg) signal polarity for optimal transition.

Phase Control Adjustment

Phase Knob Functionality

Adjusts subwoofer timing relative to main speakers for smooth sound integration.

Phase Setting Recommendations

Experiment with phase settings using source material for best midbass response.

CONNECTING YOUR E-SUB(S)

Line Input Connections

Using RCA connectors for stereo or mono input, including summing behavior.

Grounded/Isolated Switch Usage

Helps eliminate hum by selecting input mode for line-level signals.

High Level Input Connections

Connecting via speaker outputs when line-level is unavailable.

Line Outputs and Power Connector

Line Output Configurations

Using outputs for pass-through or high-pass filtered signals.

AC Power Connector Details

Information on the IEC connector, voltage, and power cord usage.

Electrical Load Considerations

Warning about potential circuit breaker tripping with high current draw.

SYSTEM CONNECTION DIAGRAM 1

One E-Sub to Receiver/Preamp

Connecting a single E-Sub to a home theater receiver using line-level output.

Crossover Setting for Receiver Use

Setting the E-Sub's crossover to 'Off' when using receiver bass management.

SYSTEM CONNECTION DIAGRAM 2

Multiple E-Subs to Receiver/Preamp

Connecting multiple E-Subs using pass-through line outputs.

Crossover for Pass-Through Signal

Ensure crossover is 'Off' for pass-through signal functionality.

Alternative Connection Methods

Using Y-adaptors or multiple subwoofer outputs for system connection.

SYSTEM CONNECTION DIAGRAM 3

One E-Sub to Two-Channel System

Connecting one E-Sub in mono to a 2-channel system using line inputs.

Utilizing E-Sub Active Crossover

Engaging the crossover creates a two-way system for improved performance.

SYSTEM CONNECTION DIAGRAM 4

Two E-Subs Stereo to 2-Channel System

Connecting two E-Subs in stereo to a 2-channel system for enhanced bass.

Stereo System Crossover Usage

Engage crossover on each E-Sub for optimal two-way performance.

SYSTEM CONNECTION DIAGRAM 5

E-Sub via High-Level Inputs

Connecting E-Sub using receiver speaker outputs when line-level is unavailable.

High-Level Input Functionality

Summing inputs and crossover effect on E-Sub with high-level connections.

RECOMMENDED SETUP PROCEDURES

Receiver/Preamp Setup Settings

Configure speaker size, distance, level, and tone controls on your receiver.

Active Crossover Setup

Set crossover frequency and subwoofer output level on your processor.

E-Sub Panel Setup Adjustments

Power and Crossover Settings

Set Power switch to 'On' and Crossover to 'Off' or 'On' with 80Hz.

Polarity and Phase Controls

Set Polarity switch to '0' and Phase knob to '0' degrees.

Subwoofer System Setup

Level Setting and Blending

Adjust subwoofer level with other speakers using receiver or Master Level knob.

Polarity and Phase Adjustment

Fine-tune polarity and phase for natural sound and smooth transition.

Subwoofer Location Experimentation

Experiment with placement for optimal bass smoothness and performance.

FREQUENTLY ASKED QUESTIONS

Object Placement and Shielding

Avoid placing items on subwoofer; magnetic shielding and TV proximity.

Power Modes and Storm Safety

Auto mode power consumption; unplugging during storms or absence.

Usage Environment Restrictions

E-Sub is for dry, indoor environments only; not for outdoor or pool deck use.

CLEANING YOUR E-SUB

General Cleaning Procedures

Dusting with microfiber cloth for gloss-black and vinyl-veneer models.

Stubborn Stain Removal

Using wax for gloss-black, damp cloth for vinyl-veneer, avoiding harsh chemicals.

TROUBLESHOOTING

No Sound or Level Issues

Checks for power, receiver settings, and cable connections; adjusting level.

Noise and Bass Quality Problems

Addressing hums, muddy bass, or audible output outside the house.

Neighborly Relations Advice

Humorous advice for managing loud bass impact on neighbors.

Specifications

E110 Model Specifications

Detailed technical specs for the E110 model, including dimensions and weight.

E112 Model Specifications

Detailed technical specs for the E112 model, including dimensions and weight.

Key Product Features Summary

Summary of features like inputs, power modes, crossover, and amplifier topology.

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