Sound Sources And Amplifiers
A sound source that fulfills the standards for building acoustic measurements is required for professional use. Brüel & Kjær offers a complete range of sound sources for room and building acoustics, including our Tapping Machine, and 12-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.
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Type 2755
A powerful, compact, and lightweight power amplifier with an integrated signal generator and wireless remote-control capabilities. HBK 2755 is ideally suited for room and building acoustics measurements, as well as source path contribution (SPC) measurements driving HBK’s sound sources
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2735型
電気音響および汎用アプリケーション用に設計された、コンパクトで高性能な2×35 Wパワーアンプ。
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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.
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Type 4204
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.
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Type 4292-L
OmniPower Sound Source Type 4292-L is a a dodecahedral, high-power, omnidirectional loudspeaker designed to measure sound insulation and perform room acoustics measurements.
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4720型
この音源は各種語音明瞭度パラメータを測定するために校正された信号を出力します。
