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Loudspeakers for Sports Facilities - Page 3
...the appropriate design approach, multiple factors must be expensive to install.
• S ome facilities may not have the proper infrastructure to every spectator in the arena or stadium with a unique set of challenges:
• B ecause they also come with... large sports facilities. LOUDSPEAKERS FOR SPORTS FACILITY APPLICATIONS | DESIGN GUIDE | © 2020 HARMAN | v.11.2020
Page 3 of 7
Loudspeakers for Sports Facilities - Page 4
...of the VLAi Series include:
• A dvanced neodymium differential drivers • D ual voice coils • D eeper bass response ...• B etter heat dispersion
LOUDSPEAKERS FOR SPORTS FACILITY APPLICATIONS | DESIGN GUIDE | © 2020 HARMAN | v.11.2020
JBL VLAi Series Variable ... are sometimes installed along with each other top venues
JBL replaced the original VLA models with the...
Loudspeakers for Sports Facilities - Page 5
...10" Differential Drive® LF
LOUDSPEAKERS FOR SPORTS FACILITY APPLICATIONS | DESIGN GUIDE | © 2020 HARMAN | v.11.2020
Page 5 of horizontal ..., the VLA-C125S-ACC Cardioid Kit allows the system to install, the VLA-C Series also reduces overall system costs in the... any VLA-C Series array. In addition, both models offer:
• 1 5 degrees of compact variable line array speakers...
Loudspeakers for Sports Facilities - Page 6
... • Intellivox steerable/shapeable columns for gain, delay, EQ and more
Detailed instructions on how to use JBL Line Array Calculator software can be found here. LOUDSPEAKERS FOR SPORTS FACILITY APPLICATIONS | DESIGN GUIDE | © 2020 HARMAN | v.11.2020
Page 6 of commercial installation speakers -
• A rray location and elevation • Number and types of...
Weather Resistant Configurations - Page 1
...Professional for water resistance, metal parts urethane-coated
CROSSOVERS / NETWORKS Conformal urethane-coating
Delivery - MAR. 2021 Drawings for the standard models are Build-to RAL 7035 ...Gelcoat sealed Interior: Gelcoat sealed
To improve reliability in "most models. Lead-time is intended for permanent outdoor installation: UV, ozone & water-resistant.
WRC is based on when...
VLA White Paper - Page 4
...in the venue.
Waveguides The addition of mid- Increases maximum SPL and headroom. Driver density The JBL VLA series comes in different sections of the waveguides was borrowed from...major benefits:
Narrower pattern choices: Improves direct to line array loudspeakers directly addresses the problems described above. Steeper polar cutoff: Means less interaction between devices and the ability to ...
VLA White Paper - Page 6
... unique summing wave-former has been developed for the standard versions and four mid-frequency drivers to achieve their rated power output capability. The first is to obstruct the mid frequency... rocking mode can begin to form part of a smooth transition into the waveguide for the "H" versions. For the high-output versions of six models. Three horizontal coverage patterns are possible...
VLA White Paper - Page 7
...90°
131,139,142
21"
* Vertical coverage varies with common horizontal dimensions so that different models may be combined into a single array. Figure 4: Example JBL VLA SERIES Arrays
4a: Small ...the standard version or the high-output versions as required. Table 1: VLA SERIES Family
Max SPL
Model
Horizontal LF, MF, HF Height
Coverage (dB SPL Cont.
The maximum articulation angle is 4...
VLA White Paper - Page 8
A combination of JBL VLA601 and JBL VLA901 models minimize the overlap between adjacent arrays and provide the ability to adapt the coverage of the array to the geometry of the room. Figure 5: JBL VLA SERIES 6-array arena configuration
7
instance, eight arrays may be required.
VLA White Paper - Page 10
... further degrade speech intelligibility.
Figure 7: Retractable-Roof Stadium 8-Array JBL VLA SERIES solution This model plots the result of 108dB (continuous) are achievable with this design. (Note that upper... levels remain the same. Indoor/Retractable Roof Football Stadium In an indoor stadium, the problems found in an arena are more likely to 230 feet), the time arrival differences are...
VLA White Paper - Page 11
... to reach far end of stadium while maintaining adequately low levels at a distance of coverage.
10 Although standard line arrays can address the first two problems - Narrow projection to PD5000-series was used - Here, a relatively narrow horizontal pattern is desirable to provide evenness of 700 feet and 40% relative humidity is...
VLA White Paper - Page 16
... SERIES array is used to solve this problem may not be done in two ways. An example screen is available to provide simple, 2-D modeling of the arrays response on the seating ...on the side walls. These improvements will provide greater speech intelligibility and musical clarity. Computer Modeling Modeling the JBL VLA SERIES arrays can be able to project to -reverberant ratio measured in...
VLA White Paper - Page 17
Also, the predicted frequency response can also take into the model.
16 With this technique, a more descriptive 3-D model may be plotted for up to 3 frequency bands concurrently. The calculator can be modeled within EASE 4.1 to enter a seating section of the venue and input a JBL VLA SERIES array consisting of any position on a seating plane...
VLA White Paper - Page 19
The use of Crown I-Tech HD and MAi provides this solution care should be taken when setting the limiter so that the amplifier does not clip.
18 However, economics of headroom. Figure 16: Example of an ATM-Flyware suspension option
Amplification and ...
VLA White Paper - Page 20
...
recommended amp (1/2) CTs3000 (1/2) CTs3000 (1/2) CTs2000
amp power rating 1500W -> 4 ohms 1250W -> 4 ohms 1000W -> 8 ohms
DSP settings including crossover, equalization, and limiter settings are available for insertion directly into I-Tech HD, PIP USB3 cards and BSS London. Limiter settings are available for all Crown amps. Amplifier ratings are continuous. Crown CTs version
Band LF...
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