| Range of Products We design and manufacture an extensive range of  products to cover virtually all front-end equipment needed for the precise and reliable measurement and recording of acoustic signals; from the transducer to the input of an A/D converter.These are complemented by a range of more specialised transducers and accessories for more specific applications. |
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 Intelligent Piston-phone Type 42AP With built-in barometric corrections and an LCD for displaying: sound pressure level, A-weighted sound pressure level, temperature in both °C and °F, ambient pressure in hPa. And it has an RS-232 interface for extracting these data. Click on the picture for more info. |
 KEMAR ManikinThe KEMAR manikin, acquired from Knowles Electronics, is a head and torso simulator (HATS) which meets the requirements of ANSI S3.36/ASA58-1985 It is the recognised industry standard for in-situ anthropomorphic testing in the fields of: Telecommunications, Hearing conservation, Noise abatement, Sound recording and sound-quality evaluation. Click on the picture for more info. |
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 Low noise level microphone systemsLow noise Level Microphone Systems Types 40HF and 40HH for measuring noise levels which lie below the threshold of hearing. Click picture for more info. |
 Preamplifier Type 26CF With gain and filter switches For selecting various combinations of gain and filtering. Gain can be set to either 0dB or +20 dB. Filtering can be set to A-Weighting, Linear or High-pass. Click in the picture for more info. |
 Surface MicrophoneType 40PS Low-cost surface microphone for general purpose measurements on planar and curved surfaces. Wide useful frequency range reaching up to 20 kHz and a large dynamic range topping at around 136 dB. Click picture for more info. |
 Telephone Test Head Type 45AATailor-made fixture for testing the acoustic performance of telephone handsets in accordance with international standards and recommendations.Can be set up for testing telephone handsets in accordance with ITU-T recommendations. Click picture for more info. |
 Hearing-protector Fixture Type 45AC For testing the performance of hearing- protection devices such as ear plugs and ear muffs. Conforms with ISO 4869-3 and can be used with one 1 or two 2 microphones or Ear Simulators for respectively monaural or binaural tests. Click picture for more info. |
 Ear and Cheek Simulator Type 43AG For measurements on earphones of various types. It simulates the ear and cheek of a human head as well as approximating the acoustic impedance of an average human ear under certain circumstances within a given frequency band. Click picture for more info. |
