Loudspeaker Placement And Suspension - JBL SRX812p User Manual

LOUDSPEAKER PLACEMENT AND SUSPENSION

Floor Standing Monitor
Stacked Subs
The following guidelines will help you achieve optimum sound wherever you use your SRX800 loudspeakers. Only experienced professionals
should attempt to suspend the speakers. For permanent installation applications utilizing the M10 suspension points, JBL Professional
recommends the use of M10 x 1.5 thread pitch forged shoulder steel eyebolts with an 18-20mm threaded shaft, along with fender washers, rated
for overhead suspension. USERS UNFAMILIAR WITH SAFE RIGGING PRACTICES SHOULD NOT ATTEMPT TO SUSPEND LOUDSPEAKERS. Please
see https://www.jblpro.com/pub/technote/tn_v1n14.pdf for more information.
Aim the speakers to cover the whole audience
For best results try to get the high frequency horn at least 2 to 4 feet above the heads of the audience. If the speakers are too low, the people in
the back of the audience will not receive the best quality sound. If the speakers are too high, people in the front of the audience will not receive
the best quality sound. Pay attention to the coverage pattern of each speaker and aim them so that the entire audience is within the coverage
pattern of the system. Utilize the downward angle pole cup on the SRX812P and SRX815P for closer audiences in smaller spaces.
Place the speakers between the microphones and the audience.
Feedback occurs when the microphones pick up sound from the speakers and "feed" the sound back through the sound system. If space is
limited, point the speakers away from the microphones to reduce feedback.
Locate the speakers away from turntables.
Low-frequency feedback occurs when the output of the speaker is picked up by the tone arm of the turntable and is re-amplified. A heavy, solid
turntable base and shock mounting can also reduce this type of feedback in DJ applications.
Use more speakers in large or highly reverberant spaces.
Spreading speakers throughout these spaces will produce much better sound than trying to compensate with loudness level or equalization. For
very long distances, the use of another set of speakers with time delay is recommended.
Stand speakers upright for PA - Lay speakers on their side for stage monitoring.
Use the full range speakers in upright stance for even coverage over a wide area. SRX815P and SRX812P speakers are also designed with a
slanted position for stage monitoring applications. Rest the speaker on the side with rubber feet for use as a stage monitor. Two SRX835Ps can
be splayed side by side for wide coverage for large audiences. Simply stand them so that their inside side panels meet. This configuration is ideal
atop an SRX828SP subwoofer.
Tripod Stand Pole Mount
MAIN MENU
AUTO DIM AUTO SLEEP PRESET ? FILTERS ON OFF
POWER METERS MASTER LEVEL
IN OUT BACK
CH 1
CH 2
NETWORK
IN OUT
LINK
DATA
SERIAL NO. A HARMAN INTERNATIONAL COMPANY DESIGNED AND ENGINEERED IN THE USA JBL PROFESSIONAL NORTHRIDGE, CA USA
MADE IN MEXICO
Cardiod Subs
Suspended
Subs with 3-way splayed
MAIN MENU MAIN MENU
AUTO DIM PRESET ? FILTERS ON PRESET AUTO DIM ? FILTERS ON
POWER METERS AUTO SLEEP OFF POWER METERS AUTO SLEEP OFF
MASTER LEVEL MASTER LEVEL
IN OUT BACK IN OUT BACK
CH 1 CH 1
CH 2 2 CH
IN OUT NETWORK IN OUT NETWORK
LINK LINK
DATA DATA
SERIAL NO. A HARMAN INTERNATIONAL COMPANY JBL PROFESSIONAL NORTHRIDGE, CA USA DESIGNED AND ENGINEERED IN THE USA SERIAL NO. A HARMAN INTERNATIONAL COMPANY DESIGNED AND ENGINEERED IN THE USA JBL PROFESSIONAL NORTHRIDGE, CA USA
MADE IN MEXICO MADE IN MEXICO
Cardiod Subs Vertical
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