Table of Contents
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JBL SR-X User's Guide
Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Outdoor Applications
Product Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Recommended Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Cables & Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Input Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Crossovers & Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
System Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Specifications & Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Contents
Part # 981-00052-02
rev. E
05/00
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Table of Contents
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Summary of Contents for JBL SR47-X
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Page 1: Table Of Contents
JBL SR-X User’s Guide Contents Welcome ......... . .2 Before You Begin . -
Page 2: Welcome
Welcome to the family of discerning sound equipment users who have selected JBL Professional loudspeakers. This User’s Guide contains important information that will help you get the most from your JBL speakers so please take a few moments to read it and be sure to keep it in a safe place for future reference. -
Page 3: Before You Begin
SR-X if flying or suspending the speaker system is required. ONLY SPEAKERS SPECIFICALLY DESIGNED FOR FLYING / RIGGING SHOULD BE SUSPENDED. For further information on suspending speakers contact JBL and request Technical Note Volume 1, Number 14 – “Basic Principles for Suspending Loudspeaker Systems”. -
Page 4: Product Range
Product Range The SR-X Series consists of 11 popular configurations including subwoofers, front-of-house systems, and stage monitors. SR-X models include these features: • Metalized polyester capacitors are used throughout (instead of cheaper electrolytics) for higher power handling and lower distortion. •... - Page 5 Product Range 2-Way Systems SR4722X 12” two-way compact speaker: A great choice for applications where compact size, ease of transport, and speaker stand “mountability” are required. For speech and many music uses, the SR4722X works great by itself. When more bass is needed, team it up with an SR-X Series sub-woofer.
- Page 6 30 Hz. A top mounted, 35 mm diameter socket is provided for an optional pole (JBL model SS3-BK) to elevate a speaker such as the SR4702X or SR4722X above your subwoofer. The socket is intended to accommodate speakers up to 100 lbs (45 kg).
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Page 7: Recommended Power
Recommended Power The following table shows the recommended amplifier power for SR-X models. For applications in which the ability to reproduce brief, high-power transients is important, an amplifier capable of up to twice the power listed below may be used. Model Full-Range / Parallel (1) HF (2) -
Page 8: Cables & Connections
Cable & Connections Each connector panel incorporates two Neutrik ® Speakon ® connectors. The second connector facilitates the ability to “loop through” to other SR-X speakers in the system. The diagrams below detail the cable-side connections. Passive Systems & Subs (Parallel mode) ±... -
Page 9: Input Panel
Input Panel Input Panel Internal Network Mode Selector All SR-X models are fitted with the internal network mode selector. The ability to select the mode of operation provides the sound system user flexibility in the system configuration, and also permits the system to be upgraded at a later date. By simply removing the input panel and changing the position of a heavy duty connector, the system can be configured as either a bi-amp or a passive system. - Page 10 Input Configurations Input Configurations This section describes the different configurations of Input Connector Panel mode selections. The wiring connections from the Input Panel to the transducers change when the mode selector is moved. Please Note: Each line in the diagrams below represents a pair of wires. (E.g. both +1 and -1 connecting wires.) Sub Connector Plate w/ NL4 MPR Inputs SR4718X Pin 1 Hot (as shipped) SR4718X Pin 2 Hot *...
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Page 11: Crossovers & Controllers
The crossover designs of SR-X series speakers incorporate circuitry that tailors system response. When the internal SR-X crossovers are set to “Bi-amp Mode” this circuitry is bypassed. The JBL DSC260 programs for SR-X include the appropriate response tailoring. Other crossovers and system controllers may not have this... -
Page 12: System Configurations
System Configurations There are many different possible configurations of systems within the JBL SR-X Series. This section shows a selection of key system configurations that will provide a basis for setting up any system, it includes: DSC controllers, amplifiers and wiring connections. It is very important that you are familiar with the previous sections of this User’s Guide and also the DSC260 system controller. - Page 13 System Configurations Full-range 2-way with Sub (Parallel Mode) Output 4 Full Range ± 1 DSC260 Amplifier Input B Sub ± 1 Output 2 Amplifier Full-Range ± 1 M552 Amplifier HF ± 1 LF ± 2 Pin 2 mode Amplifier Full-range 2-Way with Sub (using a single 4 conductor amp - speaker cable) (See page 9 and 10 for details on input configuration.) Bi-Amp 2-way with Sub (Discrete Mode) Output 6...
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Page 14: Specifications & Warranty
SR-X/F Flying Versions Suspension or flying speaker systems requires training and expertise. Improper rigging of a flying speaker may result in injury, death, equipment damage, and legal liability. This User Guide is intended to provide a skilled system rigger with resources needed to get the most from the SR-X/F speaker system. This User Guide will not provide the novice with the skills and training needed to safely fly a speaker system. - Page 15 Example Each primary “load bearing”suspension point shall be rated for the entire load. Primary “Load Bearing” Facility Attachment Points (MIN: 5:1 Design Factor or Local Standard, Whichever Is Greater) Appropriate Track Fitting (User supplied, overhead suspension rated and certified) Secondary Suspension Point Appropriate Track Fitting (EG: AF-DSF)
- Page 16 Specifications subject to change without notice DuraFlex Your SR-X loudspeaker system is finished in JBL’s DuraFlex™. DuraFlex is tough and inherently flexible and it is extremely resistant to knocks, scratches and scuffs. The DuraFlex finish on your SR-X speakers is actually much tougher than the plywood to which it is applied.