Sound Sources

A sound source which fulfils required standards is needed in building acoustics 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. Additionally our Power Amplifiers provide wireless transmission of your measurement signal, allowing unhindered measurement flexibility and range.

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.
Type 3207

Tapping Machine - Impact Sound Generator
An impact sound generator for measuring impact sound levels.
Type 2734

Power Amplifier for building and room acoustics
A power amplifier designed to power sound sources in building and room acoustic field measurements.
Modelo 4292-L

Altavoz omnidireccional de alta potencia - Fuente sonora OmniPower
Altavoz dodecaédrico para medidas de aislamiento acústico y acústica de salas.
Type 2735

Measurement Power Amplifier
A compact, highperformance, 2 × 35 W power amplifier designed for electroacoustic and general-purpose applications.
Type 4295

DISCONTINUED: OmniSource Loudspeaker
An omnidirectional loudspeaker for the measurement of room acoustics including reverberation time, sound distribution and spatial decay. Unfortunately, this product has been discontinued. Please refer to Type 4292-L OmniPower Sound Source instead.
Type 4295

DISCONTINUED: OmniSource Sound Source With Volume Adaptor
Discontinued! OmniSource Sound Source Type 4295 has been discontinued. Please refer to OmniPower Sound Source Type 4292-L.
Type 4720

Echo Speech Source - Speech intelligibility Measurement
A sound source delivering a calibrated signal to measure a range of speech intelligibility parameters.

Sound Sources

Type 4204

Type 3207

Type 2734

Modelo 4292-L

Type 2735

Type 4295

Type 4295

Type 4720