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FIXED DIFFUSION ACOUSTIC SHELLS
Acoustic Shell
Description

The diffusing acoustic shells are acoustic treatment elements intended for large volume rooms, such as theatres or auditoriums with a stage where orchestral concerts or mere recitals take place. These acoustic diffusing components are meant to project the non-amplified original sound from the stage to the audience. This will enable people to hear the sound coming directly from its sound sources and instruments, without the electro-acoustic inherent characterization or colouring. This panel also aims to enable the stage and the room to be within the same space and not separate in two by the mouth of the stage. JOCAVI™'s models have been designed at the specific scale of these needs. Due to its shape and depth, they also have a high diffusion coefficient on medium/low frequencies. The all are large-sized diffusers that provide a very homogeneous diffusion within the diffuse and sound spectrum.

Manufactured in HIPS (except WOODFOIL in wood) with a rigid framework, these pieces can be coupled and multiplied in order to suit each project's demands. When mounted, several modules should be grouped so as to obtain an area that is proportional to each space. Mounting: They can be hung from the ceiling in a strategic position in order to obtain sound diffusion in the required angles. They can also be mounted with a motorized rigging system from the stage ceiling. These elements / modules are fastened with steel cables by using appropriate mounting accessories. Their low weight makes mounting easier. As with any other JOCAVI™ diffusion panel, these models can also be applied on false ceilings, flat ceilings or walls.

Features

To adjust the diffusing properties of these models to the room where this product is applied, the placement of the pieces must be taken into account in order to obtain its best performance, bearing in mind these two types of diffusion:

  • Diffusion with compression effects: (only EFX Combi and EFX Plate)

    It emphasizes the sound diffusion with a smaller covering angle, effective at a longer incidence distance.
    Features:

    • efficient at a longer distance;
    • smaller incidence angle;
    • higher sound level;

  • Diffusion with scattering effects: (only EFX Combi and EFX Plate)

    It emphasizes the sound diffusion at a wider covering angle, effective at a shorter incidence distance.
    Features:

    • efficient at a shorter distance;
    • less sound level;
    • wider incidence angle;

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Product image
Technical drawings
Product dimensions
Model Height Width Depth Weight
DIA Plate 120 120 cm (47.24") 120 cm (47.24") 14 cm (5.51") 25 kg (55.13 lbs)
DIA Plate 180 180 cm (70.87") 120 cm (47.24") 14 cm (5.51") 34 kg (74.97 lbs)
DYN Plate 180 120 cm (47.24") 120 cm (47.24") 13 cm (5.12") 25 kg (55.13 lbs)
DYN Plate 180 180 cm (70.87") 120 cm (47.24") 13 cm (5.12") 34 kg (74.97 lbs)
EFX COMBI 180 180 cm (70.87") 120 cm (47.24") 32 cm (12.6") 57 kg (125.69 lbs)
EFX Plate 120 120 cm (47.24") 120 cm (47.24") 32 cm (12.6") 38 kg (83.79 lbs)
N3Q Plate 120 120 cm (47.24") 120 cm (47.24") 16 cm (6.3") 24 kg (52.92 lbs)
N3Q Plate 180 180 cm (70.87") 120 cm (47.24") 16 cm (6.3") 33 kg (72.77 lbs)
PLR Plate 120 120 cm (47.24") 120 cm (47.24") 16 cm (6.3") 24 kg (52.92 lbs)
PLR Plate 180 180 cm (70.87") 120 cm (47.24") 16 cm (6.3") 33 kg (72.77 lbs)
WFL Plate 120 120 cm (47.24") 120 cm (47.24") 23 cm (9.06") 27 kg (59.54 lbs)
WFL Plate 180 180 cm (70.87") 120 cm (47.24") 23 cm (9.06") 38 kg (83.79 lbs)
Important notices

JOCAVI™ accepts no responsibility for any printing or display errors. Specifications can be modified without prior notice, if technical or commercial reasons do so require. The colours shown on this catalogue are only a reference and an illustration of the products finishing. The colours shown are not binding because brightness, contrast and colour balance may vary due to the printing process. Colours may vary due to raw-material suppliers' changes and some differences may occur in tonal range. Due to its natural origin, wood-based products will always present natural imperfections inherent to its organic nature. For similar reasons, they will also present traces of old-age in the course of time. Wood and Fabric products are highly susceptible to changes in its appearance with humidity and temperature. Colour examples shown are only for reference. JOCAVI™ cannot guarantee that the colours represented will exactly match the colours of the products shipped, due to the variances among different monitors and printers. Some colour variation may occur between production runs of Acoustic Foam products. Colour consistency in similar products is not guaranteed, some nuances can happen. Colour fading will occur with UV exposure over time. RAL is an international independent colour standard system partner for industry, trade, architecture and design and should be consulted before placing any order. Close attention must be paid to the storage conditions and the acclimatization before, during and after the installation. Typical Indoor Comfort Standards state a temperature range of 20°C - 27°C (68°F - 81°F), and a relative humidity of less than 60%. These would be considered as normal operational levels of JOCAVI™ product range.

JOCAVI™ products are fire retardant and/or self extinguishing to varying extents. Before purchasing any of our acoustic foam products, please check with your local fire marshal or building inspector for approval. We cannot guarantee that any product meets the specific building code regulations in your area/country as regulations widely vary from place to place. JOCAVI™ will not be held liable for property damage or injuries caused by the misuse of our products.

Given the fragility and sensitivity of the raw materials used in the ATP™ product range, we advise and recommend these products are not installed within reach of physical contact by people or objects. Physical contact may damage these products.

Sizes may slightly vary (+/- 3mm) due to their production method and some inherent raw-materials characteristics. Despite all the standard sizes of all products, some models can be customised upon previous consultation. Sizes may slighty vary due to their production method and some inherent raw-materials characteristics.

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