FREESTANDING FULL RANGE ABSORPTION MODULES
For projects where it is not possible to incorporate absorption systems into a new wall or where the acoustics need to be mobile, we offer our technology in freestanding modules. The modules contain the same systems that are used in our acoustic inner shell for high-end studio construction.
Absorption area
The absorption system inside the module provides broadband absorption from 30 Hz to 20 kHz with high performance in the bass register. The absorption for low frequencies is project-specific optimized.
finish
The finish consists of high-quality wood and an upholstered front. The fabric can be ordered in different colours and can be easily replaced at any given time. The module can be made mobile by means of wheels.
Acoustic study
Since the approach to low frequencies is unique to the space, these modules come with an acoustic study.
The studio visible in the photos above has a width of 3350 mm, a length of 3650 mm and a height of 2650 mm.
These dimensions are not optimal from an acoustic point of view. Such a room resorts under 'small room acoustics' and presents an additional challenge to control both the pressure and the reverberation time of the low frequencies.
This room was equipped with 12 full range absorption modules.
ACOUSTIC MEASUREMENT RESULTS
Below are measurement results of the acoustic performance of the new studio.
Low Frequency SPL (frequency response)
This measurement represents the amplitude ratio of the low frequencies.
Red = before acoustic treatment. Green = after acoustic treatment.
Before acoustic treatment, the SPL fluctuation is +17dB/-17dB at a resolution of 1/48 per octave (= amplitude differences of 34dB).
After acoustic treatment, the SPL fluctuation is +2dB/-2dB at a resolution of 1/48 per octave.
Low Frequency Spectogram
This measurement is a top view of the SPL graph and shows how long the frequencies reverberate over time over a period of 60 dB attenuation.
Before acoustic treatment, the room has reverberation times (modal resonances) of up to +1.5 seconds.
After acoustic treatment, the reverberation time of the room for 20Hz - 20kHz is 200 milliseconds.