Board
Sound absorbing panel resembling
EcoPET the Board is a sound absorbing panel resembling a notice board and acting as one. It can get any shape, so it fits in kindergartens, classrooms, boardrooms or any kind of office. Due to its two-layer construction, it can have a single coloured finish, or a double coloured edge. Leave a note for your colleague and anjoy the silent environment.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Detailed information, which we are working on, will soon be available here.
For more information about the Board, please contact us via the contact form or email.
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SlotBar Alu
Acoustic wall slats
SlotBar is a modular sound-absorbing system. Its properties result from specifically designed slot system which maintains optimum acoustic conditions and provides innovative shape. The whole structure made from aluminium guarantees sound absorption in the low frequency range. SlotBar can be used as a standalone system or in addition to our OptiDi diffuser.
Designer
AS Team
Details
SlotBar Alu
SlotBar Alu + Optidi
SlotBar Alu is possible to finish in any colour from RAL K7 Classic palette or wood–like varnish.
RAL K7 Classic
The most popular colours
Wood-like varnish
Non-binding color sample.
Production-related and/or application-related deviations are possible.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
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Contour
Acoustic slat panel
Contour acoustic slats help create an interior that is not only beautiful and modern, but also quiet, soothing and relaxing. Thanks to them, we can easily silence the room in which we want an atmosphere of peace and harmony. They reduce the echo effect that we encounter in many rooms.
The panels provide a harmonious balance between acoustic performance and architectural elegance, making them a perfect addition to interior spaces such as offices, educational facilities, commercial spaces and residential interiors.
Contour acoustic slats fit perfectly into various interior styles. They will certainly appeal to both lovers of minimalism and traditional solutions. Their simple form looks extremely impressive and does not require additional decorations.
They are available in a wide range of colors and patterns, which allows you to seamlessly combine acoustic functionality with the vision of any space adaptation project.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Detailed information, which we are working on, will soon be available here.
For more information about Contour, please contact us via the contact form or email.
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For Kids
Acoustic panels and decorations
For Kids is a range of sound-absorbing products specially designed with little ones in mind. The sound-absorbing panels and decorations are engineered to absorb a wide range of tones: low, mid, and high frequencies. By reducing noise in rooms, they ensure that children can thrive and grow in a healthy environment.
Noise
Hurts!
Did you know that noise can cause long-term sleep disturbances in children, hinder their ability to focus, make learning more difficult, and even lead to anxiety disorders?
Prolonged exposure to noise damages the nervous and circulatory systems, negatively impacts blood pressure, and disrupts heart function. It significantly reduces concentration and can contribute to hypertension and ischemic heart disease.
Now, do you understand why you often feel irritated or why your child struggles to concentrate on their homework?
Discover the Aco-ustic Painting
Masterpieces of art transferred onto a material with outstanding acoustic properties.
Thanks to their unique design, they excellently absorb mid and high frequencies, filling your child’s room with peace and comfort.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Details
For Kids is a range of sound-absorbing panels and decorations specially designed with little ones in mind. By reducing noise in rooms, these acoustic products ensure that children can thrive and grow in a healthy environment.
Panel dimensions (with a tolerance of +/- 3mm)
1200 × 2440 mm
(max. size of a single element)
Essential role
Reducing room’s reverberation noise – a factor that negatively affects the development of a child, causes problems with concentration and learning, and increases hyperactivity in children.
Material
PET – pressed polyester fibers, mainly from recycling:
- odorless
- non-toxing
- non-dusting
- available in different colours and shapes
- easy to clean
- durable
- doesn’t pill
Designer
Architected Sound
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
The color chart can be ordered in the form of a sample box.
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
The installation of EcoPET panels is very simple, they can be screwed or glued to the wall with mounting adhesive.
Free-standing panels do not require additional assembly elements.
- every room in which noise is an irritating and distracting factor
- nurseries, kindergartens, schools, playrooms, recreational spaces
- children rooms, apartments, bedrooms
- rooms for listening to music, playing computer games, watching movies
- rooms for recording audio, video and live transmission, vlogs, podcasts
- all rooms requiring improvement of interior acoustics.
Various sizes and shapes available, depending on the design concept.
Fire safety
Made of materials with flammability class at least B-s2, d0.
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Abstract
Acoustic panel
The Abstract is a decorative sound-absorbing panel in a shape of 3-D image, designed to absorb a wide range of mid and high tones. It helps to reduce the unwanted reverberation that causes amplification of noise.
We have hidden the sound-absorbing power in the Abstract images, which can transform any space into a cozy and quiet interior.
As designers and aesthetes,we find pleasure in shaping an ordinary material into functional but sublime acoustic products.
Let’s do this!
Feel like a real artist
and design your own image!
Don't let your imagination limit you.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Details
The Abstract is a decorative sound-absorbing panel in a shape of 3-D image. For increased sound absorption, greater visual and three-dimensional effect, particular shapes are cut from materials of different thicknesses.
Dimensions (with a tolerance of +/- 3 mm)
- 620 × 860 mm
There is a possibility of making a custom image in different size than standard.
Maximum size: 1200 × 2400 mm
Thickness
- Minimum: 9 mm
- Maximum: 36 mm
Material
PET – pressed polyester fibers, mainly from recycling:
- odorless
- non-toxing
- non-dusting
- available in different colours and shapes
- easy to clean
- durable
- doesn’t pill
Designer
Architected Sound
Shapes library
The Abstract is an acoustic image. For increased sound absorption, better visual and three-dimensional effect, shapes are cut from materials of different thicknesses.
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
The color chart can be ordered in the form of a sample box.
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
- every room in which noise is an irritating and distracting factor
- places for remote work, classes, phone and video conferences, home office
- rooms for listening to music, playing computer games, watching movies
- conference rooms, lecture halls and classrooms
- rooms for recording audio, video and live transmission, vlogs, podcasts, webinars
- recording studios, control rooms, broadcasting rooms
- group and individual rehearsal rooms
- waiting rooms, public and consumer spaces, open-space interiors
- all rooms requiring improvement of interior acoustics
There is a possibility of making a custom image in different size than standard (max. 1200 × 2400 mm).
Fire safety
Made of materials with flammability class at least B-s2, d0.
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Overlay
Sound-absorbing radiator cover
Overlay is an acoustic radiator cover which, with minimal limitation of the warm air flow, ensures high sound absorption. It is made of EcoPET and EcoFELT, non-dusting, recycled and 100% environmentally friendly materials.
Thanks to the Overlay, each radiator becomes an essential element of interior design, perfectly reducing noise in the room.
A standard radiator cover
restricts the flow of warm air.
The Overlay will become a unique decoration with as little limitation of the heating function as possible.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Details
Overlay is a soundabsorbing radiator cover with a very high efficiency of reducing reverberation noise. Available in many different designs, shapes and colours.
Size
according to an individual design
Size max. - 1200 × 2400 mm
Thickness
9 - 27 mm
Material
Front: EcoPET, EcoFELT - pressed PET polyester fibers.
Colour guide available on request.
Supporting structure: steel, HPL, MDF
Designer
IAMC Team
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
- standard and open-plan offices
- conference rooms
- rooms in private homes and public buildings such as schools, universities, libraries and agencies
Depending on the design concept, different sizes, colours (single-color with EcoPET material, two-color or multi-color with EcoFELT material) and shapes are available
Fire safety
Possibility of making out of materials with fire resistance class B-s2, d0.
Sound absorption of Architected Sound Overlay
| frequency 1/1‑oct. |  |
|---|---|
| 125 Hz | 0.00 |
| 250 Hz | 0.10 |
| 500 Hz | 0.50 |
| 1000 Hz | 1.10 |
| 2000 Hz | 1.20 |
| 4000 Hz | 1.40 |
- Overlay * * values obtained by measurements conducted according to PN‑EN ISO 354: 2005 and ISO 20189:2018
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Blinds
Acoustic window blinds
Blinds are sound-absorbing vertical acoustic window blinds whose slats are made of PET – a dust-free and 100% environmentally friendly material. Replacing standard window covers, the Blinds are great at dealing with excessive sunlight and reverberation noise at the same time, ensuring perfect comfort and silence in any room.
Acoustic solution such as the Blinds successfully replaces universal vertical blinds, roller blinds and other window solutions.
Thanks to the Blinds - an acoustic window solution you can shield yourself from both the sun's rays as well as harmful reverberation noise. By opening and closing the slats, you control the flow of light and regulate the acoustics of the room.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Details
Blinds are sound-absorbing vertical window blinds, the slats of which are made of pressed PET polyester fibers ‑ a non‑toxic, odorless and non-dusting material. They can be used indoors using standard wall or ceiling rails. It is possible to cut out various shapes, combine one-colour and two-colour slats (made of EcoPET with an EcoFELT layer).
The Blinds are universal and fit perfectly into any interior.
Size
slat width: min. 89 mm
slat height: max. 2400 mm
Thickness
2, 9, 11 (mm)
Area weight
500 - 2400 g/sqm
Material
EcoPET, EcoFELT – pressed polyester PET fibers
Colour guide available on request.
Designer
IAMC Team
Sound absorption coefficient
α w, max = 0.70 (H)
EcoPET material
EcoFelt material
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
- office rooms
- conference rooms
- auditoriums
- rooms in private homes and public buildings e.g. schools, universities, libraries, offices etc.
- beauty salons - EcoPET the Blinds can act as partitions, with which you canseparate a space in the room
Depending on the design concept, different colours (single and double-sided), sizes and shapes are available.
Technical drawing
* dimension x:
– pattern 01 – 80 mm
– pattern 02 – 105 mm
* width (A) – total width of the blind rail (max. 5000 mm)
Fire safety
Made out of materials with flammability class at least C-s2, d0.
Sound absorption coefficients of Architected Sound Blinds
Practical sound absorption coefficient αp
| frequency 1/1-okt. | |
 |
|---|---|---|
| 125 Hz | 0.15 | 0.05 |
| 250 Hz | 0.40 | 0.15 |
| 500 Hz | 0.80 | 0.20 |
| 1000 Hz | 0.80 | 0.40 |
| 2000 Hz | 0.90 | 0.70 |
| 4000 Hz | 1.00 | 0.95 |
- open blinds *
- closed blinds *
* measurements carried out in accordance with PN-EN ISO 354: 2005
assembly type G-200
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EcoPET
Sound absorbing panel
Meet our best-seller – EcoPET acoustic tiles. Thanks to their minimalist form, small thickness and the ability to freely mix colors and shapes, you will create your own unique wall with a super POWER! The strength of our EcoPET tiles results from the specificity of the material from which they are made and the very high efficiency of sound attenuation and noise absorption.
The only limit is your own imagination!
Why is EcoPET so special?
It absorbs noise like crazy!
It will work perfectly in interiors where noise is a major problem. Thanks to its sound absorption capacity, it significantly improves the comfort of conversations, reduces reverberation in rooms and the audibility of sounds coming from neighbours, from the street or even from the next room.
It's alluring!
Pleasant to the touch, warm and ecological.
Cut various shapes and sizes, then mix and match them to your heart’s desire so you can finally put them on your wall.
Merge into one
You can stick the EcoPET panel directly to the wall and even to the wallpaper. Freely mix the colours and thicknesses of the tiles for an even more interesting visual composition with a 3D effect.
Beauty is only skin‑deep
EcoPET will easily create an appealing space but most of all it will take care of your acoustic comfort. You will create the cozy and soothing vibe in no time.
Background is an environment
You will appreciate its effectiveness not only during each videoconference, remote school classes or playing your favourite instrument, but also while watching a movie or listening to music, during evening talks and birthday meetings. It will also work great when making recordings for streaming platforms or live broadcasts on social media.
Sleep well
It is safe for children as PET material is non-toxic, non-dusting and easy to clean. Resistant to hugs from furry pets. The perfect solution for busy mums, absent-minded daddies and longing grandparents. Attach post-it notes, drawings of grandchildren, and even a fresh pair of socks for the next day.
Countless colours
Crazy neon lights or muted pastels? We know it is difficult to decide when it comes to the wide range of colours of EcoPET and EcoFELT. Experiment and discover your perfect combination.
Quality and certificates of EcoPET material
Quality and safety are our top priority.
Therefore, we use materials that meet the highest standards and comply with the requirements of the building law.
Some of our products additionally meet the requirements of the RoHS directive and the REACH regulation.
EU 1907/2006
EN 717-1:2004
formaldehyde free
B-s2, d0
fire resistance
Properties
Details
EcoPET is an eco-friendly and a sound‑absorbing system made from pressed polyester fibers – odorless, non‑toxic and non‑dusting material. It can be glued directly to the wall or mounted on a wooden substructure, filling the space between the battens with sound absorptive material. You can cut out various shapes and combine colors to create interesting visual compositions.
EcoPET
The EcoPET tile is available in a wide range of shapes and sizes. On request, we can make a tile in any shape and size according to an individual project.
Thickness
9, 12 mm and thicknesses resulting from joining EcoPET boards, for example 18, 21, 24 mm
Size
1220 × 2440 mm
(maximum size of a board without
formatting, after formatting size
reduced to max. 1200 x 2420 mm)
Density
2000 - 4800 g/sqm with +/- 10% tolerance
EcoFelt
It is used in combination with EcoPET acoustic tiles as an extension of the colour palette.
EcoFelt thickness
1, 2, 3 mm
Dimensions for thickness 1-2 mm
100 cm - the width of the material
100 m - length of the material on a single roll
Dimensions for a thickness of 3 mm
100 cm - the width of the material
50 m - length of the material on a single roll
Production process
Material
PET - compressed 75% recycled polyester fibers
- odorless
- non-toxic
- non-dusting
- available in many beautiful colors and different shapes
- easy to clean
- durable
- non-pilling
Designer
Architected Sound Team
Sound absorption
A class *
* for installation on an additional sound-absorbing layer
Monstera leaf
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
The color chart can be ordered in the form of a sample box.
Please note, that the colors shown are for illustrative purposes only.
Batch to batch variations in shade may occur within commercial tolerances.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
- rooms in houses and apartments (e.g. living room, bedroom, children's room, hall)
- hotel rooms and passageways
- concert halls
- dedicated listening rooms
- recording studios
- offices
- open spaces
- conference rooms
- consumer and public spaces
- lecture rooms
- classrooms in music schools
- waiting rooms
Various sizes and shapes available, depending on the design concept.
The maximum size of board without formatting – 1220 × 2440 mm
After formatting size reduced to max. 1200 x 2420 mm
Technical drawing
Direct wall
mounting
Mouting
with sound-absorption layer
Fire safety
Possibility of making the system out of materials with flammability class B‑s2 d0.
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Aco-ustic Painting
Sound absorbing painting
Aco-ustic Painting is a sound-absorbing acoustic panel in the form of a picture, which can be ordered in the form of photo reproductions, graphics and paintings. The artists we work with decided to entrust us with their art, so that it would gain a new usable dimension in the form of acoustic panels. They are available in various formats to ensure the desired soundproofing effect and to fully meet the aesthetic value of the room.
The power of our acoustic works of art is the highest absorption class (Class A).
Fill your interior with any visual you imagined and benefit from its unexpected acoustic properties.
Designer
IAMC Team
and associated artist
Details
Aco-ustic Painting panels are designed to absorb a wide range of high and mid frequencies which reduces noise‑amplifying reverberation found in domestic and public spaces.
Dimension
Acoustic images are available in four standard sizes:
- 617 × 617 mm
- 617 × 864 mm
- 617 × 317 mm
- 617 × 1217 mm
It can be made to order in a custom size.
Real dimension may slightly differ from those presented above.
Thickness
45 mm
Pattern
Available in a broad range of artworks accessible on our artwork gallery or any custom pattern chosen by the customer.
Designer
IAMC Team and associated artists
Sound absorption coefficient
αw, max = 0.90 max absorption class A
Frame of Aco-ustic Painting
Exotic Abachi wood, oiled or stained to obtain the required colour.
Sample frame stain colours
Types of printing surface
Standard
Printed on a rough surface
with a slight satin gloss finish.
Eco
Printed on a matte surface
with a visible fiber structure.
Canvas Std
Printed on a textile material
with a herringbone weave.
Canvas Prem
Printed on a textile material
with a fine and irregular weave.
The installation of Aco-ustic Painting sound-absorbing panels is possible on any wall with the density and structure enabling the use of standard load-bearing elements
We pack all our paintings in a safe cardboard box that protects the contents during transportation.
Aco-ustic Painting is available as a single element in standard sizes or as a composition consisting of many components (set of two, three etc.). It can be made to order in non-standard size.
- rooms in houses and apartments (e.g. living room, bedroom, children's room, hall)
- hotel rooms and passageways
- theater halls
- dedicated listening rooms
- recording studios
- offices
- conference rooms
- consumer and public spaces
- lecture rooms
- classrooms
- waiting rooms
- consulting rooms
- food service areas
Sound absorption coefficient of Architected Sound Aco-ustic Painting
Practical sound absorption coefficient αp
| frequency 1/1-oct. |  |
|---|---|
| 125 Hz | 0.15 |
| 250 Hz | 0.55 |
| 500 Hz | 0.90 |
| 1000 Hz | 0.95 |
| 2000 Hz | 0.95 |
| 4000 Hz | 0.95 |
- thickness 45 mm
Sound absorption coefficient
sound absorption class A
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OptiDi
Sound diffuser system
OptiDi is one of the kind diffuser giving your interior a unique aesthetics. It combines philosophy of minimalistic design and great acoustic properties. Its specific shape made of aluminium provides sound diffusion combined with efficient absorption in a lower frequency range. OptiDi providing a great visual effect and outstanding acoustical performance.
Designer
AS Team
Details
OptiDi system diffuses sound in mid and high frequencies, most effectively as a combination of positive and negative modules. Due to internal filling and variable slots’ width, bass absorption may be adjusted to a particular frequency of choice. OptiDi is usually used on walls but it can be designed for ceilings or as a portable panel as well.
Size
150 × 1200 × 40 mm
Max lenght
- 7500 mm - colours from RAL K7 Classic palette
- 7000 mm - varnish
Weight
17 kg/m2
Material
aluminium
Designer
Architected Sound Team
Sound absorption coefficient
αw, max = 0.20
Additional information
Technical solution developed in cooperation with the AGH University of Science and Technology in Cracow.
Community design number: 004417723-0001 and 004417723-0002.
Registered Community Design
OptiDi is a product registered with EUIPO – the European Union Intellectual Property Office.
Community design numbers: 004417723‑0001 and 004417723‑0002
A Community design is a legally protected form of industrial design, registered with the European Union Intellectual Property Office (EUIPO), granting exclusive rights to its use across the entire European Union. This protection prevents unauthorized copying and exploitation by third parties, ensuring its originality and safeguarding the interests of its owner.
OptiDi system is possible to finish in any colour from RAL K7 Classic palette or wood–like varnish.
RAL K7 Classic
The most popular colours
Varnish
Non-binding color sample.
Production-related and/or application-related deviations are possible.
Before placing an order, please contact us at info@architected-sound.com in order to verify the colours and their availability.
- concert halls
- philharmonic halls
- theater halls
- opera houses
- rehearsal rooms
- recording studios
- control rooms
- radio and TV emission rooms
- lecture halls
- classrooms
- conference rooms
- waiting rooms
- offices
- dedicated listening rooms
Usually custom-made due to specific absorption needed.
Ceiling structure and mobile version possible. Various depth and bass absorption properties on demand.
Technical drawing
Fire safety
Made of materials with flammability class A1.
Sound absorption coefficients of Architected Sound OptiDi
Practical sound absorption coefficient αp
| direct mouting |
A-40 | C-50 | C-60 | C-100 |
|---|---|---|---|---|
| frequency 1/1‑oct. | 
| 
| 
| 
|
| 125 Hz | 0.05 | 0.60 | 0.70 | 0.45 |
| 250 Hz | 0.10 | 0.20 | 0.45 | 0.20 |
| 500 Hz | 0.25 | 0.05 | 0.15 | 0.05 |
| 1000 Hz | 0.20 | 0.10 | 0.10 | 0.10 |
| 2000 Hz | 0.15 | 0.15 | 0.15 | 0.15 |
| 4000 Hz | 0.20 | 0.20 | 0.20 | 0.20 |
- A-40: direct mounting, o.d.s. 40 mm*
- C-50: slit 1 mm + mineral wool 50 mm (35 kg/cbm), o.d.s. 90 mm*
- C-60: slit 3 mm + mineral wool 60 mm (35 kg/cbm), o.d.s. 100 mm*
- C-100: slit 1 mm + mineral wool 100 mm (35 kg/cbm), o.d.s. 140 mm*
* results obtained from analytical calculations
Sound scattering coefficients of Architected Sound OptiDi
Sound scattering coefficient s
| frequency 1/3-oct. |  |
|---|---|
| 1000 Hz | 0.05 |
| 1250 Hz | 0.13 |
| 1600 Hz | 0.28 |
| 2000 Hz | 0.44 |
| 2500 Hz | 0.53 |
| 3150 Hz | 0.62 |
| 4000 Hz | 0.82 |
| 5000 Hz | 0.90 |
- slit from 0 to 5 mm*
* measurement conducted in accordance to ISO 17497-1:2004
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