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 number noise reduction rating of a partition, room, or enclosure, where sound pressure level differentials are measured in one-third octave bands and compared with standard contours as per ASTM E 413.

SPB33- Single wall NIC test results Graph
Soundproofer booth SPB33- Single wall NIC test results Graph
Soundproofer booth SPB33- Single wall NIC test by Frequency
Soundproofer booth SPB33- Single wall NIC test
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