JBL Stereo System SR X Series User Manual

SR-X Series Users Guide  
Part Number: 981-00052-04 Rev A  
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BEFORE YOU BEGIN  
Welcome to the family of discerning sound equipment users who have selected JBL Professional loudspeakers.  
This Users 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.  
Important Information  
Before using your SR-X Series speaker system, please review the following for important information on safety  
and protection of your investment in quality loudspeakers.  
Rigging / Suspending SR-X Products  
SR-X Series speakers are designed for portable applications in which the speakers will be stacked directly on  
the floor, stage, speaker stands (SR4702X, SR4722X only), other speakers, or a solid, stable platform. SR-X  
Series speakers have no provisions for hanging, rigging or suspension.  
SR-X/F Series speakers are similar to SR-X and in addition have provisions for flying.  
SR-X/F versions should always be substituted for 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".  
Stand Mounting  
Some SR-X models (SR4702X, SR4722X) include a receptacle cup to facilitate mounting on tripod stands. When  
using these stands, be sure to observe the following precautions:  
Check the stand specification to be certain it is designed to support the weight of the speaker. Observe all  
safety precautions specified by the stand manufacturer.  
Always verify that the stand is placed on a flat, level, and stable surface.  
Route cables so that performers, crew, and audience will not trip over them and pull the speaker over.  
Be sure to fully extend the legs of tripod type stands.  
Position the stand so that the legs do not present a trip hazard.  
Do not attempt to place more than one speaker on a stand.  
Always be cautious in windy, outdoor conditions. It may be necessary to place additional weight (i.e. sand-  
bags) on the base of the stand to improve stability.  
Stacking Speakers  
Safety precautions should be observed when stacking SR-X speakers.  
Verify that the floor or stage on which the speakers will be stacked is flat, level and solid.  
When used outdoors, be aware of winds that could tip a tall speaker stack over.  
Position the speakers to minimize the possibility that performers, crew, or audience will bump into them.  
Under extreme, high-SPL conditions it's possible that speakers on a highly polished surface can "creep."  
(i.e. move due to the power of the acoustic energy) Precautions should be taken so that such creeping will  
not result in toppling of the speaker stack.  
Hearing Damage, Prolonged Exposure to Excessive SPL  
SR-X series loudspeakers are easily capable of generating sound pressure levels (SPL) sufficient to cause  
permanent hearing damage to performers, production crew and audience members. Proper precautions should  
be taken to avoid prolonged exposure to SPL in excess of 85dB.  
Exposure to Moisture, Outdoor Applications  
While SR-X Series loudspeakers will work great for outdoor sound reinforcement, they are not "weather-proof"  
and are not intended for continuous exposure to extremes of humidity, temperature, salt air, or UV rays.  
Exposure to outdoor environmental conditions may result in premature failure of components as well as  
degradation to appearance.  
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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.  
"Dual-mode" crossovers can be easily switched from full-range to bi-amplified operation. A tamper-resistant,  
internal mode selector provides a visible, external indication of the selected mode.  
Dual driver subwoofers may be operated in parallel or discrete mode.  
VGC™ (Vented Gap Cooling) low-frequency transducers control heat build-up to increase power handling  
and decrease power compression, providing more acoustic output for every watt of amplifier input.  
13 ply birch enclosures are finished in tough DuraFlex™ that resists the inevitable scuffs and dings a  
hard-working speaker suffers during a life of one-nighters.  
Pure titanium diaphragm compression drivers are used in all two & three-way models for high power  
handling and reliability.  
Optimized Aperture™ horn/driver combinations reduce throat distortion and provide smooth frequency  
response.  
A non-resonant, full-length perforated metal grill provides protection for the components and a rich yet  
unobtrusive appearance.  
Trapezoidal enclosures (except SR4715X, SR4718X, SR4719X, SR4702X) for optimal coverage when  
splaying multiple cabinets.  
Family footprint on the most popular models provides ease of stacking for larger, full-range systems  
Stage Monitor  
SR4702X  
12" two-way stage monitor: With 600 watts of power capacity and 95 dB sensitivity, the  
SR4702X delivers all the output needed to cut through high stage volumes. Its compact  
footprint won't crowd the stage and the low profile won't come between the performer  
and the audience. For increased flexibility, a tripod mount socket is provided to facilitate  
use as a front-of-house speaker. A "pass-thru" speaker connector allows cleaner  
connection of adjacent cabinets driven by the same amplifier.  
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Two-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. A pole-mount socket  
(35 mm) is provided for stand mounting.  
SR4725X  
15" two-way compact speaker: The 15" two-way system  
is a favorite for general music and speech applications.  
The SR4725X produces extended low frequencies in a  
transportable enclosure.  
SR4726X  
15" two-way high-output speaker: When the requirement is for very high  
acoustic output, extended low-frequency performance, and the convenience of  
a one-box system, chose the SR4726X. The large format 2447 compression  
driver coupled to an Optimized Aperture™ horn delivers great pattern control  
at very high levels with low distortion.  
Dual LF, Two-Way Systems  
SR4731X  
Dual 12" two-way system: With the combined power  
of two VGC LF motors and the cone area of dual 12"  
speakers, the SR4731X produces incredible  
amounts of mid-range power combined with lots of  
tight, punchy bass. The transition from the 12" LF  
drivers to the large format 2447 compression driver  
is very smooth. For extremely high-power  
applications requiring earth-moving bass, use  
the SR4731X over the SR4719X subwoofer.  
SR4733X  
Dual 15" two-way system: The SR4733X delivers the  
power and performance of separate subwoofer / high-mid  
configurations combined with the simplicity of an all-in-  
one system. At home in a wide range of live sound and  
playback applications, the SR4733X delivers very high  
acoustic output combined with lots of extended low bass.  
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Three-Way Systems  
SR4732X  
Dual 12" three-way system: Take the SR4731X, add the high-frequency  
sizzle of a 2404 UHF driver and you get the ultimate speaker system for  
very high-level music playback in medium to short throw applications. In  
combination with the SR4719X subwoofer, this is an unbeatable system  
for DJ and dance club applications.  
SR4735X  
15" three-way system: For long-throw applications  
in which the power and additional control of a  
horn-loaded cone MF driver is desired, choose the  
SR4735X. This system boasts extremely wide  
frequency response and is a great choice as an  
arrayable, front-of-house reinforcement system.  
Subwoofers  
SR4715X  
Dual 15" subwoofer: For those who prefer the tight, punchy bass of  
a 15" sub, the SR4715X is the answer. The SR4715X has the same  
footprint as the other SR-X 15" two-way systems (including the dual  
LF models) for tight floor stacking.  
SR4718X  
Single 18" subwoofer: The single 2241 subwoofer produces  
pounding bass down to 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). Observe the  
stand mounting precautions outlined in the "Before You  
Begin" section of this User's Guide.  
SR4719X  
Dual 18" subwoofer: Capable of delivering a wall-shaking 136 dB of  
acoustical output with a frequency range extending to 25 Hz, the  
SR4719X is the choice for large rooms, outdoor performance and  
high-level sound reinforcement or music playback. The rectangular  
enclosure is ideal for stacking any of the SR-X two-way systems for  
those who require uncompromising high-level sound reproduction.  
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SPECIFICATIONS  
Model  
LF  
Driver  
Mid  
Driver  
HF  
Horn  
Rated  
Power* Impedance  
System  
Freq Range  
(-10 dB)  
Crossover  
Frequency  
Nominal  
Sensitivity**  
Dispersion  
(H X V)  
Weight  
Shape  
Dimensions  
SR4702X  
SR4715X  
2206H  
--  
2426H  
--  
OASR  
--  
600  
1200  
600  
8
4
4
4
8
8
8
4
4
4
8
42Hz-20kHz  
35Hz-300Hz  
1.3 kHz  
95dB  
100dB  
98dB  
101dB  
95dB  
98dB  
97dB  
98dB  
98dB  
100dB  
97dB  
85º x 85º  
29 kg  
64 lbs  
47.2 kg  
104 lbs  
39.9 kg  
88 lbs  
85.3 kg  
188 lbs  
27.2 kg  
60 lbs  
37.2 kg  
82 lbs  
48.5 kg  
107 lbs  
59.9 kg  
132 lbs  
62.1 kg  
137 lbs  
65.8 kg  
145 lbs  
50.8 kg  
112 lbs  
Multi-angle  
Monitor  
Rectangular  
648 x 403 x 356  
25.5 x 15.9 x 14  
1067 x 616 x 435  
42 x 24.3 x 17.1  
2226H  
(x2)  
--  
80 - 100 Hz  
recommended  
--  
--  
SR4718X 2241G  
--  
--  
--  
38Hz-300Hz 80 – 100 Hz  
recommended  
30Hz-300Hz 80 – 100 Hz  
recommended  
Rectangular 616 x 613 x 610 mm  
24.3 x 24.1 x 24 in  
SR4719X  
2241H  
(x2)  
2206H  
--  
--  
--  
1200  
600  
--  
Rectangular  
Trapezoidal  
Trapezoidal  
Trapezoidal  
Trapezoidal  
Trapezoidal  
Trapezoidal  
Trapezoidal  
765 x 1219 x 616  
30.1 x 48 x 24.3  
686 x 486 x 333  
27 x 19.1 x 13.1  
718 x 616 x 435  
28.3 x 24.3 x 17.1  
883 x 616 x 435  
34.8 x 24.3 x 17.1  
1067 x 616 x 435  
42 x 24.3 x 17.1  
1067 x 616 x 435  
42 x 24.3 x 17.1  
1219 x 616 x 435  
48 x 24.3 x 17.1  
946 x 616 x 479  
37.3 x 24.3 x 18.9  
SR4722X  
SR4722X/F  
SR4725X  
SR4725X/F  
SR4726X  
SR4726X/F  
SR4731X  
SR4731X/F (x2)  
SR4732X 2206H  
SR4732X/F (x2)  
SR4733X 2226H  
SR4733X/F (x2)  
--  
2417H  
2426H  
2447H  
2447H  
2404H  
2447H  
2426H  
OASR  
2370A  
42Hz-18kHz  
35Hz-18kHz  
35Hz-20kHz  
39Hz-20kHz  
39Hz-21kHz  
37Hz-20kHz  
36Hz-20kHz  
1.2 kHz  
1.1 kHz  
1.1 kHz  
1.2 kHz  
85º x 85º  
90º X 40º  
2226H  
2226H  
2206H  
--  
600  
--  
--  
2381  
2383  
2381  
2383  
2381  
600  
90º X 50º  
60º X 50º  
90º X 50º  
60º X 50º  
90º X 50º  
1200  
1200  
1200  
600  
2447H  
--  
1.2 kHz,  
6 kHz  
1.2 kHz  
2381  
2383  
MH1  
90º X 50º  
60º X 50º  
70º X 50º  
SR4735X  
SR4735X/F  
2226H M209-8A  
340 Hz and  
1.6 kHz  
* IEC filtered random noise with a 6 dB crest factor  
**1W@1m (2.83V for 8ohms, 2.00V for 4ohms, ave'd 500Hz-5kHz)  
Specifications subject to change without notice  
DuraFlex  
The 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. Note: SR-X enclosures are not paintable. In the event that  
cosmetic damage occurs to your speakers, a DuraFlex touch-up kit (PN 16677) is available from JBL.  
Recommended Power  
The following table shows the recommended amplifier power for SR-X models.  
Model  
Full-Range / Parallel (1)  
600 to 1,200W@8  
1,200 to 2,400W@4Ω  
600 to 1,200W@4Ω  
1,200 to 2,400W@4Ω  
600 to 1,200W@8Ω  
600 to 1,200W@8Ω  
600 to 1,200W@8Ω  
1,200 to 2,400W@4Ω  
1,200 to 2,400W@4Ω  
1,200 to 2,400W@4Ω  
600 to 1,200W@8Ω  
HF (2)  
LF (3) / Discrete (4)  
600 to 1,200W@8Ω  
600 to 1,200W@8x2  
n/a  
SR4702X  
SR4715X  
SR4718X  
SR4719X  
SR4722X  
SR4725X  
SR4726X  
SR4731X  
SR4732X  
SR4733X  
SR4735X  
100 to 200W@8Ω  
n/a  
n/a  
n/a  
600 to 1,200W@8x2  
600 to 1,200W@8Ω  
600 to 1,200W@8Ω  
600 to 1,200W@8Ω  
1,200 to 2,400W@4Ω  
1,200 to 2,400W@4Ω  
1,200 to 2,400W@4Ω  
600 to 1,200W@8Ω  
60 to 120W@8Ω  
100 to 200W@8Ω  
150 to 300W@16Ω  
150 to 300W@16Ω  
150 to 300W@16Ω  
150 to 300W@16Ω  
100 to 200W@8Ω  
1. Full-range / Parallel: Is the amplifier power required to optimally drive this speaker system when used in full-  
range (passive) mode. In the case of dual-driver subwoofer models, this is the power required to drive both  
transducers at the same time.  
2. HF: Is the amplifier power required to optimally drive the high-frequency section of this speaker system when  
used in bi-amp mode.  
3. LF: Is the amplifier power required to optimally drive the low-frequency section of this speaker system when  
used in bi-amp mode.  
4. Discrete: Is the amplifier power required to optimally drive an individual transducer in a dual transducer  
subwoofer.  
5. ±1 or ±2 Pass-Thru: This allows for the convenience of a single conductor cable from the amplifier rack to the  
speakers stack, this configuration supplies separate amplifier power to the subwoofer (ie ±2) and to the  
mid-high speaker (ie 1 Pass-Thru).  
7
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CABLE AND 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)  
+
2
2-  
+1  
-1  
1-  
+
1
Bi-Amp Systems & Subs (Discrete Mode)  
+
2
+2  
-2  
2-  
+1  
-1  
1-  
+
1
Wire Gauges  
Selection of the appropriate wire gauge is important to system operation. A cable that is too light will result in  
amplifier power being wasted due to the series resistance of the cable and in loss of low-frequency performance  
due to degraded damping factor.  
Wire Gauge Chart for 0.5 dB Loss  
2
mm  
20  
.52  
15  
1.65  
16 Ohm Load  
8 Ohm Load  
4 Ohm Load  
10  
5
5.26  
16.77  
5
1.5  
50  
15  
100  
30  
150  
46  
200  
61  
250  
76  
300  
91  
8
Length of Run (ft.) / (m)  
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INPUT PANEL  
Internal Network Mode Selector  
All SR-X models are fitted with the internal network mode selector.  
±1 LF  
Impedance: 8  
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.  
After replacing the input panel, the network position is indicated on the connector  
plate panel. This provides a truly tamper resistant solution to avoid the horrors of a  
mis-configuration.  
IN/OUT  
±2 HF  
Impedance: 16Ω  
BI-AMP  
SR-X SERIES  
PASSIVE  
±1 Full Range  
Impedance: 8Ω  
IN/OUT  
±2 NC  
JBL PROFESSIONAL Made in U.S.A  
Serial No.  
Northridge, CA USA  
In passive operation, a system can be operated with a minimum of only one  
amplifier and no additional system controllers. In bi-amp operation, the system can  
be operated for maximum transducer performance and will require the use of  
additional amplifiers-and an electronic crossover (see "Crossovers and Controllers").  
For Sub systems with more than one transducer, the same ability to select the mode  
of operation is provided - but instead of bi-amp/passive selection, the input can be  
configured for either parallel woofers (4 ohm) or individual transducer access  
(2 x 8 ohm). This can be useful for assuring maximum power transfer from the  
amplifier to the transducers.  
±1 PASS-THRU  
IN/OUT  
±2 LF  
Impedance: 4Ω  
SR-X SERIES  
±1 LF  
Impedance: 4Ω  
Please Note: There are no passive network components in the circuit when the  
Bi-amp mode is selected. (Except: SR4732X and SR4735X which retain a crossover  
section between midrange and HF.)  
IN/OUT  
±2 PASS-THRU  
BOTH INDICATORS  
DISCRETE MODE  
±1 LF 8Ω  
±2 LF 8Ω  
JBL PROFESSIONAL Made in U.S.A  
Serial No.  
Northridge, CA USA  
Changing the Input Mode Connector  
1. Remove 6 connector plate retaining screws and  
remove the plate.  
2. Turn plate over and locate the male connector.  
3. Pull out connector and firmly place in socket of  
desired system mode - you should be able to see  
the yellow indicator in the desired mode window.  
4. Replace plate and secure with 6 screws.  
Please Note: For SR4715X - SR4719X, the connector is  
split to permit discrete mode operation.  
9
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INPUT CONFIGURATIONS  
This section describes the different configurations of Input Connector Panel mode selections. The wiring connec-  
tions 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.)  
Subwoofers  
SR4718X Pin 1 Hot (as shipped)  
SR4718X Pin 2 Hot  
± 2  
± 1  
± 2  
± 1  
LF  
LF  
In  
In  
± 2  
± 1  
± 2  
± 1  
Out  
Out  
(yellow indicator visible in both windows)  
SR4715X/19X Discrete Mode  
± 2  
± 1  
LF #2  
In  
SR4715X/19X Pin 2 Hot  
SR4715X/19X Pin 1 Hot (as shipped)  
± 2  
± 1  
LF #1  
± 2  
± 2  
Out  
LF #2  
LF #2  
LF #1  
± 1  
In  
In  
± 1  
± 2  
± 1  
± 2  
± 1  
LF #1  
Out  
Out  
Two-Way Systems  
Passive Mode  
Bi-Amp Mode  
HPF  
± 2  
± 1  
± 2  
± 1  
HF  
HF  
In  
In  
LPF  
± 2  
± 1  
± 2  
± 1  
LF  
LF  
Out  
Out  
Three-Way Systems  
Bi-Amp Mode  
Passive Mode  
HPF  
HPF  
HF  
HF  
MF  
± 2  
± 1  
In  
BPF  
MF  
In  
LPF  
± 2  
± 1  
± 2  
± 1  
Out  
LPF  
LF  
± 2  
± 1  
LF  
Out  
LPF = Low Pass Filter  
BPF = Band Pass Filter  
HPF = High Pass Filter  
10  
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CROSSOVERS AND CONTROLLERS  
SR-X series loudspeakers may be operated in bi-amplified mode. In this mode, all crossover components are  
bypassed (except in the case of the three-way SR4732X and SR4735X) and the voice-coils of the drivers are  
connected directly to the power amplifier outputs. When operated in this manner, an external, electronic  
crossover is required. Such crossovers may be cards or modules that can be installed in the power amplifiers or  
may be separate processors.  
SR-X series speakers include CD (constant directivity) horn designs. A characteristic of this type of horn is that it  
requires a power response correction consisting of a 6 dB per octave rise beginning at approximately 4 kHz. This  
power response correction is built into the passive networks of SR-X series speakers. When used in bi-amp  
mode, the power response correction must be provided by the electronic crossover. Most analog crossovers will  
include a "CD Horn EQ" function.  
Digital System Controllers  
Digital signal processing technology has made it possible to build sophisticated loudspeaker system controllers  
that incorporate into a single unit, the ability to control crossover frequencies, slopes, and filter topology. In  
addition, these units may include graphic and parametric equalization, time / phase alignment, and compression /  
limiting. Some of these digital system controllers include factory-programmed presets for SR-X series  
loudspeakers. As this manual goes to press, these controllers include the JBL DSC260, and the dbx®  
DriveRack™ and DriveRack™ PA products.  
If you are using a digital system controller that does not include pre-programmed presets for SR-X series loud-  
speakers, it may be useful to review the JBL DSC260 settings as a starting point for programming your controller.  
Note that various processors will respond to these settings in different ways, so you will probably need to refine  
your settings by ear or with the help of acoustical measurement equipment.  
As with any software driven device, it is always good practice to check with the manufacturer of your digital  
system controller for updates. JBL will also attempt to post notifications of any new developments at  
JBL DSC260 (front / back)  
STORE  
(ENTER)  
PARAMETER  
CLIP  
+6dB  
0dB  
-6dB  
-12dB  
LIMIT  
-3dB  
-6dB  
LIMIT  
-3dB  
-6dB  
LIMIT  
-3dB  
-6dB  
LIMIT  
-3dB  
-6dB  
LIMIT  
-3dB  
-6dB  
LIMIT  
-3dB  
-6dB  
ACCESS  
NEXT  
LAST  
-20dB  
-20dB  
-20dB  
-20dB  
-20dB  
-20dB  
MUTE  
MUTE  
MUTE  
MUTE  
MUTE  
MUTE  
RECALL  
B
A
DSC 260  
INPUT  
2
3
5
4
1
6
DIGITAL SYSTEM CONTROLLER  
FLOATING BALANCED OUTPUTS  
BALANCED INPUTS  
MAIN SUPPLY  
AC 50/60Hz @ 30Watts  
DSC260  
MADE IN THE UK  
CONTROLLER INTERFACES  
MIDI THRU  
WARNING!  
THIS EQUIPMENT  
MUST BE EARTHED  
MIDI OUT  
MIDI IN  
RS232  
FUSE  
T160MA 23DV  
B
A
3
4
2
6
5
1
dbx® DriveRack™ PA (front / back)  
CROSSOVER/ALIGNMENT DELAY/GRAPHIC EQ/PARAMETRIC EQ/AUTO/EQ  
11  
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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: dbx®  
DriveRack™ PA controllers, Crown® amplifiers and wiring connections. It is very important that you are familiar  
with the previous sections of this Users Guide and also the dbx® DriveRack™ PA and Crown® amplifiers. Note:  
Each line in the diagrams below represents a pair of wires. (E.g. both +1 and -1 connecting wire.)  
Full-Range Two-Way  
Crown® CE4000  
Full-Range ±1  
Bi-Amplified Two-Way  
See “Crossovers and Controllers” for important information.  
Crown® CE2000  
High Output  
dbx® DriveRack™ PA  
HF ±2  
LF ±1  
Crown® CE4000  
Mid Output  
12  
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Full-Range Two-Way w/ Sub (Parallel Mode)  
Crown® CE4000  
Full-Range ±1  
Mid Output  
dbx® DriveRack™ PA  
Crown® CE4000  
Low Output  
Sub ±1  
Full-Range ±1  
Crown® CE2000  
Crown® CE4000  
Mid Output  
dbx® DriveRack™ PA  
Low Output  
HF ±1  
LF ±2  
Pin 2 Mode  
Full-range Two-way with Sub (using a single 4 conductor amp - speaker cable)  
Bi-Amp Two-Way w/ Sub (Discrete Mode)  
Crown® CE4000  
High Output  
HF ±2  
Crown® CE4000  
LF ±1  
Mid  
Output  
dbx® DriveRack™ PA  
Crown® CE4000  
Crown® CE4000  
Low  
Output  
Sub ±2  
Sub ±1  
Low Output  
13  
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SR-X/F FLYING VERSIONS  
SR4722X/F  
SR4725X/F  
SR4726X/F  
SR4731X/F  
SR4733X/F  
SR4735X/F  
SR4732X/F  
Prior to suspending the system, an expert, trained and experienced in flying speaker systems should inspect all  
components for cracks, deformations, corrosion, missing parts or damaged parts that could reduce strength and  
integrity of the system. For further information on precautions and rigging techniques, see JBL Technical Note  
Volume 1, Number 14. This document is available in the Technical Reference section of www.jblpro.com  
The rigging track used on SR-X/F models can accommodate both 10 mm forged shoulder eyebolts and detach-  
able track fittings. When using 10 mm forged shoulder eyebolts with SR-X/F, always use a 10 mm washer  
between the track and the eyebolt/ Failure to do so can result in damage to the track and unsafe suspension of  
the speaker system. The the event that the track is damaged, the speaker should not be suspended until the  
damaged part is replaced. A kit containing 10 mm forged eyebolts and washers is available from JBL  
Professional Parts (PN: 229-00017-00).  
When used with an appropriate eyebolt and washer (see above) the SR-X/F suspension system has a working  
load limit (WLL) of 400 lbs. (181 kg.) per point with a 7:1 design factor. When used with an appropriate track fit-  
ting, the SR-X/F suspension system has a working load limit (WLL) of 500 lbs. (227 kg.) per point with a 7:1  
design factor.  
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. If you lack the skills,  
training, and proper ancillary equipment to fly a speaker system do not attempt to do so. Obtain the services of a  
qualified rigger or get the proper training yourself.  
The SR-X/F models are equipped with ATM FLY-WARE® rigging hardware. Only hardware rated for overhead  
suspension and certified in accordance with appropriate safety standards should be used to fly speaker systems.  
A source for such hardware and assistance in selecting appropriate hardware is:  
ATM FLY-WARE  
In Europe:  
(888) RIG-MORE / (310) 834-5914  
2100 South Wilmington Avenue  
Carson, CA 90810  
(44) 0171-482-3300  
102 Grafton Road  
London NW5 4BA UK  
R
14  
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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)  
Secondary Suspension Point  
Appropriate Track Fitting  
(User supplied, overhead  
suspension rated and certified)  
Appropriate Track Fitting  
(EG: AF-DSF)  
Working load limits: No more than four (4) high (vertical)  
The four (4) high vertical specification represents a static ratio of 7:1  
15  
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JBL WARRANTY AND CONTACTS  
Who Is Protected by This Warranty?  
Your JBL Warranty protects the original owner and all subsequent owners so long as: A.) Your JBL product has been  
purchased in the Continental United States, Hawaii or Alaska. (This Warranty does not apply to JBL products purchased  
elsewhere except for purchases by military outlets. Other purchasers should contact the local JBL distributor for warranty  
information.); and B.) The original dated bill of sale is presented whenever warranty service is required. The JBL Limited  
Warranty on professional loudspeaker products (except for enclosures) remains in effect for five years from the date of the  
first consumer purchase. JBL amplifiers are warranted for three years from the date of original purchase. Enclosures and all  
other JBL products are warranted for two years from the date of original purchase.  
What does the JBL Warranty cover?  
Except as specified below, your JBL Warranty covers all defects in material and workmanship. The following are not covered:  
Damage caused by accident, misuse, abuse, product modification or neglect; damage occurring during shipment; damage  
resulting from failure to follow instructions contained in your Instruction Manual; damage resulting from the performance of  
repairs by someone not authorized by JBL; claims based upon any misrepresentations by the seller; any JBL product on  
which the serial number has been defaced, modified or removed.  
Who Pays for What?  
JBL will pay all labor and material expenses for all repairs covered by this warranty. Please be sure to save the original  
shipping cartons because a charge will be made if replacement cartons are requested. Payment of shipping charges is  
discussed in the next section of this warranty.  
How to Obtain Warranty Performance?  
If your JBL product ever needs service, write or telephone us at JBL Incorporated (Attn: Customer Service Department),  
8500 Balboa Boulevard, PO. Box 2200, Northridge, California 91329 (818/893-8411). We may direct you to an authorized JBL  
Service Agency or ask you to send your unit to the factory for repair. Either way, you'll need to present the original bill of sale  
to establish the date of purchase. Please do not ship your JBL product to the factory without prior authorization.  
If transportation of your JBL product presents any unusual difficulties, please advise us and we may make special arrange-  
ments with you. Otherwise, you are responsible for transporting your product for repair or arranging for its transportation and  
for payment of any initial shipping charges. However, we will pay the return shipping charges if repairs are covered by the  
warranty.  
Contact Information  
Mailing Address:  
Outside the USA:  
JBL Professional  
8500 Balboa Blvd.  
Northridge, CA 91329  
Contact the JBL Professional Distributor in your area. A  
complete list of JBL Professional international distributors is  
Shipping Address:  
Product Registration:  
JBL Professional  
8370 Balboa Blvd., Dock D  
Northridge, CA 91329  
Customer Service:  
Monday through Friday  
8:00am - 5:00pm  
Pacific Coast Time In the U.S.A.  
(800) 8JBLPRO (800.852.5776)  
On the World Wide Web:  
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