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Old 7th June 2020
Lives for gear
Jens Eklund's Avatar

Originally Posted by avare View Post
What are you isolating? STC is not appropriate for music. Look at the STL curves. IR 761 has several hundred test results to compare with. The significant part is the TL below 125 Hz.

Argument about the air gap between isolation walls

Low density fibre in 4" thick panels - worthwhile or worthless?