Below are the test results for SOLO Sound booth – SPB33-1 ( Single wall) by Riverbank Acoustic Laboratory. This is a new standardized test for Noise Isolation Class. This test is different from STC test. STC is designed for materials and partitions, where NIC is designed for sound isolation enclosures. Noise Isolation Class (NIC) – A single … Continue reading Certificate. Sound Isolation test – SOLO Sound Booth (SPB33-1. Single wall). Riverbank Acoustic Laboratory
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