Key Specifications:
Sound pressure level range: 100–150 dB
Operating frequency range: 400–6400 Hz
Functions
Nonlinear acoustic characterization of absorbing materials and liners at high sound pressure levels.
Measurements of sound absorption and sound-pressure-level-dependent acoustic impedance.
High Sound Pressure Level impedance tube
High Sound Pressure Level impedance tube
High-temperature impedance tube
High-temperature impedance tube
Key Specifications
Maximum test temperature: 1000 °C
Measurement frequency range: 50–6400 Hz
Sound pressure level range: 100–160 dB
Functions
Measurements of material and structural sound absorption and acoustic impedance in heated gas.
Characterization of temperature-dependent acoustic properties.
Key Specifications
Square waveguides: 25 mm × 25 mm (8 microphones) and 50 mm × 50 mm (32 microphones)
Measurement frequency range: 50–12800 Hz; modal measurements are restricted to bands above the respective cutoff frequencies.
Functions
Higher-order acoustic mode decomposition and mode-conversion measurements.
Multimodal characterization of materials and structures within frequency bands where the relevant modes propagate.
Multimodal impedance tube
Multimodal impedance tube
