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PORTABLE DIFFUSION ACOUSTIC SHELLS
Acoustic Shell
Description

Based on works and experiments in the field of sound wave diffusion and the positive aspects that result from the presence of diffusers in rooms, we have built these acoustic diffuser. Therefore, we are presenting new design proposals that are less common in diffusion structures designed for mobile use.

These models are an easy-to-install portable acoustic diffusion shells meant to be used in certain types of musical concerts. It is a piece that changes the room's acoustics by enhancing its features. Diffusion shells are acoustic treatment elements used in large volume rooms, such as theatres and auditoriums. They may also be used outdoors for the performance of concerts by large orchestras or just recitals.

The installation of these acoustic diffusion components is meant to project the non-amplified original sound from the stage towards the audience. This will enable to hear the sound that comes directly from the sound sources and instruments, without the characterization or colouring inherent to the use of electro-acoustics. These shells also enable the stage and the room to be within the same space and not separate in two by the mouth of the stage.

These pieces do not need any preparation prior to their installation, just a free stage with good access. They must be coupled and multiplied in such a way that is adequate to each project in order to obtain a diffusing area that is proportionate to the space in question.

Features

Depending on the space available on the stage, more or less elements may be used in order to form the shape of a perfect shell.

Built on a modular configuration with 120x120cm pieces, up to four modules can be coupled in height, thus totalling a diffusing homogeneous surface of 480x120cm.

All As4 models have 500x125cm (196.9"x49.2") and the As3, 380x125cm (149.6"x49.2").

These models are a large-sized diffusers that provides a very homogeneous diffusion within the sound and diffuse spectrum.

  • Diffusion with scattering effects:

    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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Technical drawings
Product dimensions
Model Height Width Depth Weight
DIAAS3 165 cm (64.96") 127 cm (50") 60.5 cm (23.82) 140 kg (55.12 lbs)
DIAAS4 165 cm (64.96") 127 cm (50") 79.3 cm (31.22) 165 kg (64.96 lbs)
DYNAS3 165 cm (64.96") 127 cm (50") 56 cm (22.05) 145 kg (57.09 lbs)
DYNAS4 165 cm (64.96") 127 cm (50") 73.3 cm (28.86) 170 kg (66.93 lbs)
PLRAS3 165 cm (64.96") 127 cm (50") 65 cm (25.59) 145 kg (57.09 lbs)
PLRAS4 165 cm (64.96") 127 cm (50") 85.3 cm (33.58) 170 kg (66.93 lbs)
WFLAS3 165 cm (64.96") 127 cm (50") 85 cm (33.46) 152 kg (59.84 lbs)
WFLAS3 (120) 165 cm (64.96") 127 cm (50") 92 cm (36.22) 207.5 kg (81.69 lbs)
WFLAS4 165 cm (64.96") 127 cm (50") 114 cm (44.88) 175 kg (68.9 lbs)
WFLAS4 (120) 165 cm (64.96") 127 cm (50") 120 cm (47.24) 250 kg (98.43 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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