Sound Sources / Loudspeakers and Amplifiers

A sound source that fulfills the standards is required for building acoustic measurements. Brüel & Kjær offers a complete range of sound sources for building acoustics measurements, including our Tapping Machine, and our 12-speaker omnidirectional OmniPower™ Sound Source. The sound sources are ideally matched with our range of Power Amplifiers, which have been specifically designed for acoustic applications, with features such as wireless signal transmission for unhindered measurement range and flexibility.

  • measurement Amplifier Type 2735

    Type 2735

    Measurement Power Amplifier

    A compact, highperformance, 2 × 35 W power amplifier designed for electroacoustic and general-purpose applications.

  • Power Amplifier Type 2734

    Type 2734

    Power Amplifier for building and room acoustics

    A power amplifier designed to power sound sources in building and room acoustic field measurements.

  • Tapping Machine Type 3207

    Type 3207

    Tapping Machine / Impact Sound Source

    Tapping Machine Type 3207 is an impact sound generator for measuring impact sound levels. The generator uses five hammers each weighing 500 g and operating at 2 Hz dropping from a height of 40 mm, giving an operating frequency of 10 Hz. 

  • Reference Sound Source Type 4204

    Type 4204

    Reference Sound Source

    Reference Sound Source is optimized for measuring room and building acoustics. It is also useful in the field of building acoustics to determine the sound absorption and sound insulation of a room.

  • OmniPower Sound Source

    Modelo 4292-L

    Altavoz omnidireccional de alta potencia - Fuente sonora OmniPower

    Altavoz dodecaédrico para medidas de aislamiento acústico y acústica de salas.

  • Echo Speech Source Type 4720

    Modelo 4720

    ECHO SPEECH SOUND SOURCE

    La fuente sonora Echo Speech proporciona una señal calibrada para medir una gama de parámetros de inteligibilidad del habla. Junto con DIRAC 6, puede realizar mediciones de STI (índice de transmisión del habla). El software reconoce automáticamente el nivel de salida de habla y los cálculos se ajustan adecuadamente.