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![[45CB] Acoustic Test Fixture](/web/image/product.product/17136/image_1920/%5B45CB%5D%20Acoustic%20Test%20Fixture%20?unique=e8a6854)
[45CB] Acoustic Test Fixture
67,090.00 CADThe GRAS 45CB Acoustic Test Fixture is specified and designed for measuring sound isolation of hearing-protectors and ear- and headphones according to the ANSI/ASA S12.42 standard. The 45CB is configured with RA0045-S7 Ear Simulators which are equipped with 40BP 1/4" ext. pol. pressure microphones. Its sensitivity is 1.5 mV and the dynamic range is from 50 dB(A) to 169 dB.
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