JBL SRX818SP - User Manual

Other manuals for JBL SRX818SP

Quick Start Guide2 pages

Questions and Answers

J
johnsondavidSep 8, 2025
Why is my JBL SRX818SP Speaker System humming or buzzing?
- M
  Michael SilvaSep 8, 2025
  A hum or buzz in your JBL Speaker System can stem from several causes: * Improper A/C grounding or ground loops: Try 'lifting' the audio ground using an XLR/F to XLR/M adapter on one end or re-routing audio cables away from AC power and lighting cables. * Excessively long unbalanced cable run: Use the balanced outputs (if available) of your mixer or source equipment to drive your SRX800 speakers, or use a DI (direct injection) box to convert your unbalanced equipment output to a balanced output. * Improper system gain structure: Reduce the INPUT level controls and increase the output level of your source devices.
Z
zacharyhinesSep 9, 2025
Why does my JBL SRX818SP sound distorted at moderate volumes?
- L
  Linda Johnson DVMSep 9, 2025
  If your JBL Speaker System sounds distorted even at moderate volumes and the LIMIT light is off, the issue might be an overdriven mixer or audio source. Consult your mixer's manual to adjust the input sensitivity (gain), channel faders, and master faders as needed. Then, review the Quick Start section of this guide.
R
Robert BergSep 12, 2025
How to fix hiss in the JBL SRX818SP sound when mixer controls are low?
- A
  Alan JonesSep 12, 2025
  Excessive hiss in your JBL Speaker System, especially when mixer controls are set low, often indicates an improper gain structure. Ensure the MIC/LINE switch is in the LINE (disengaged) position. Reduce the level settings at the speaker. Also, check your mixer’s manual to correctly adjust input sensitivity (gain), channel faders, and master faders.
D
Daniel SawyerSep 13, 2025
What to do if JBL SRX818SP Speaker System is connected to power but won't turn on?
- A
  ashleyobrienSep 13, 2025
  If your JBL Speaker System is connected to a working power source but fails to power on, the power cable may be the issue. Try re-seating the power cable at both ends. If that doesn't work, try using a power cable that you know is working correctly.
T
Terry HallSep 15, 2025
Why does the hum or buzz change when I move the mixer level controls on my JBL SRX818SP Speaker System?
- R
  Ronald WintersSep 15, 2025
  If the hum or buzz in your JBL Speaker System changes when you adjust the mixer levels, it could be due to an improper A/C ground or faulty equipment connected to the mixer input. Try disconnecting or muting channels one at a time to isolate the problem. Also, a faulty cable between the source equipment and the mixer may be the cause, so try substituting it with a known-good cable.
J
James HubbardSep 18, 2025
Why is there no sound when connecting a microphone directly to my JBL SRX818SP?
- W
  william67Sep 18, 2025
  If you're not getting any sound when connecting a microphone directly to the input of your JBL Speaker System, the microphone might require phantom power, which the SRX800 does not supply. Try using a dynamic microphone, a battery-powered microphone (if available), or an external phantom power supply for condenser microphones.

Summary

Safety Instructions

Declaration of Conformity

Safety and EMC Compliance

Details safety and EMC standards including EN, IEC, and UL specifications.

FCC and IC Regulatory Statements

Covers FCC and Industry Canada compliance and warnings for device operation.

Quick Setup Guide

Packaging and Configuration Options

Lists packaging contents and illustrates various speaker setup configurations.

Initial Setup Steps

Guides users through powering on, plugging in inputs, and setting output levels.

SRX812 P, SRX815 P, SRX835 P Back Panel Overview

Input;Output and Connectivity Ports

Details XLR, TRS, Mix Out, Ethercon connectors and locking IEC inlet.

Control Interface and Indicators

Explains LCD screen, power button, encoders, LEDs, and system indicators.

SRX828 SP, SRX818 SP Back Panel Overview

Input;Output and Connectivity Ports

Details XLR, TRS, Mix Out, Ethercon connectors and locking IEC inlet.

Control Interface and Indicators

Explains LCD screen, power button, encoders, LEDs, and system indicators.

Overview - SRX800 Family

SRX812 P, SRX815 P Block Diagram

SRX835 P Block Diagram

SRX818 SP Block Diagram

SRX828 SP Block Diagram

SRX812 P Specifications

System and Performance Details

Details system type, SPL, frequency response, and coverage patterns.

Amplification and Input Characteristics

Covers power rating, impedance, gain levels, and input connectors.

Speaker Drivers and Enclosure Construction

Lists driver details, enclosure material, finish, and mounting features.

SRX815 P Specifications

System and Performance Details

Details system type, SPL, frequency response, and coverage patterns.

Amplification and Input Characteristics

Covers power rating, impedance, gain levels, and input connectors.

Speaker Drivers and Enclosure Construction

Lists driver details, enclosure material, finish, and mounting features.

SRX835 P Specifications

System and Performance Details

Details system type, SPL, frequency response, and coverage patterns.

Amplification and Input Characteristics

Covers power rating, impedance, gain levels, and input connectors.

Speaker Drivers and Enclosure Construction

Lists driver details, enclosure material, finish, and mounting features.

SRX818 SP Specifications

System and Performance Details

Details system type, SPL, frequency response, and coverage patterns.

Amplification and Input Characteristics

Covers power rating, impedance, gain levels, and input connectors.

Speaker Drivers and Enclosure Construction

Lists driver details, enclosure material, finish, and mounting features.

SRX828 SP Specifications

System and Performance Details

Details system type, SPL, frequency response, and coverage patterns.

Amplification and Input Characteristics

Covers power rating, impedance, gain levels, and input connectors.

Speaker Drivers and Enclosure Construction

Lists driver details, enclosure material, finish, and mounting features.

Purposeful Product Design

Portability and Handling Features

Highlights ergonomic handles, suspension points, and indexed feet for easy transport and setup.

Mounting and User Interface Features

Covers pole mounts, stacking, and back panel LCD for user convenience.

Component Elements

Transducer Technology Details

Explains HF, LF, and MF drivers, and patented waveguides.

Network Control and DSP Systems

Details HiQnet network integration and premium DSP capabilities.

Amplification and Control Features

Covers Crown DriveCore amplification and user control options.

Back Panel LCD Interface Navigation

Input Screen and Menu Structure

Guides on navigating the input screen and main menu structure.

Settings and Network Configuration

Details presets, dimming, sleep modes, meters, and network settings.

SRX Presets and Crossover Guidance

Preset Descriptions and Usage

Lists and explains various presets for different speaker and subwoofer combinations.

Crossover Selection Chart

Provides a chart to select optimal crossover points based on system configuration.

Premium DSP Technology Features

DSP Capabilities and Tunings

Details V5 Tunings, PEQs, delay, signal generators, and amplifier monitoring.

Control Software and Apps

Explains SRX Connect App and Audio Architect for system control.

System Networking and Control

Connection Methods and Software

Describes wired/wireless connections, Audio Architect usage, and networking issues.

Smart Device App Control

Loudspeaker Placement and Suspension

Optimizing Sound Coverage and Feedback

Tips on speaker aiming, placement relative to mics, and feedback reduction.

Usage Scenarios and Positioning

Guidance on placement near turntables, in large spaces, and for stage monitoring.

Troubleshooting Common Issues

Warranty Information

Warranty Terms and Coverage Details

Outlines who is protected, what is covered, and warranty limitations.

Procedure for Obtaining Service

Explains how to get warranty repairs and necessary documentation.

Contact and Support Information

Quickstart Guide: Unboxing and Setup

Unboxing Procedure

Instructions on how to safely unbox the SRX800 series speaker.

Optional Setup Configurations

Illustrates various ways to set up the speakers, including floor standing and pole mounting.

Back Panel Controls and Initial Setup

Power On and Input Configuration

Guides on powering the unit, plugging in inputs, and setting output levels.

SRX835 P Datasheet: Key Features

Design Philosophy and Portability

Highlights purposeful design, portability, and ruggedness of the SRX835P.

Audio Technology and Components

Details transducer, DSP, and Crown DriveCore amplification technologies.

SRX800 Series Specifications Overview

Network Control and System Configurations

Covers HiQnet network control, connection options, and system configurations.

Comparative Product Specifications

Presents a comparative table of key specifications across the SRX800 series models.

SRX835 P Datasheet: Applications and Specs

Key Features and Technologies

Lists premium features like JBL transducers, DSP, and networking for the SRX835P.

Product Applications and Detailed Specs

Describes typical applications and provides detailed technical specifications for the SRX835P.

SRX835 P Performance Data

Frequency Response Charts

Displays main and speech frequency response graphs for the SRX835P.

Sub;Satellite Preset Recommendations

Provides a chart to select optimal presets for sub/satellite configurations with the SRX835P.

SRX835 P Block Diagram

SRX835 P Dimensions

JBL SRX818SP Specifications

General

Frequency Range (-10 dB)	29 Hz - 150 Hz
Frequency Response (-3 dB)	35 Hz - 120 Hz
Max SPL	135 dB
Amplifier Power	1000W Peak
Type	Powered Subwoofer
LF Driver	18-inch Differential Drive
Input Connectors	2 x XLR-1/4" combo jack
Output Connectors	2 x XLR
Enclosure	18mm Plywood, DuraFlex Finish
Weight	39.5 kg (87 lbs)