Sound Sources and Amplifiers

Asound source that fulfills the standards for building acoustic measurements is required for professional use.Brüel&Kjér offers a complete range of sound sources for room and building acoustics,including our Tapping Machine,and12-speaker omnidirectional OmniPower™Sound Source。The sound sources are ideal with our range of Power Amplifiers and provide a flexible setup for any acoustic task with features such as wireless signal transmission for unhindered measurement range and flexibility。

  • OmniPower Sound Source

    Type4292-L

    OmniPower Sound Source

    OmniPower Sound Source Type 4292-Lisadodecahedral,high-power,omnidirectional loudspeaker designed to measure sound insulation and perform room acoustics measurements。

  • Type4250vvs front view

    HBK4250

    Wideband Volume Velocity Sources

    Ready to use Volume Velocity Sources incorporating special<br>two-microphone design for precise,insitu measurement of volume velocity in real time.Suitable for arange of acoustic environments from enclosed condition close to tyres or engine components,oropen conditions some distance from a reflecting face from

  • Smart power amplifier Type 2755

    Type2755

    Smart Power Amplifier

    A powerful,compact,and lightweight power amplifier with an integrated signal generator and wireless remote-control capabilities.HBK2755 is ideally suited for room and building acoustics measurements,aswell assource path contribution(SPC)measurements driving HBK’s sound sources

  • measurement Amplifier Type 2735

    Type2735

    介质功率表

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

  • Tapping Machine Type 3207

    Type3207

    Tapping Machine/Impact Sound Source

    Tapping Machine Type 3207is an impact sound generator for measuring impact sound levels.The generator uses five hammers each weighing 500g and operating at2Hz dropping from a height of 40mm,giving an operating frequency of 10Hz

  • Echo Speech Source Type 4720

    Type4720

    Echo Speech Source

    Echo Speech Source quickly and easily performs speech intelligibility measurements in accordance with IEC60268-16

  • 参考源类型4204

    Type4204

    参考源,参考源

    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。