Quote:
Originally Posted by Ethan Winer  Ben,
Don't be too quick to jump to conclusions. If the EcoPink stuff is based on rigid fiberglass or rock wool, it's probably very close in performance to the other brands. Measuring absorption is not nearly as precise as measuring the frequency response or distortion of gear. Results for the very same material measured at different times in different labs can vary as much as 50 percent at 125 Hz. In my experience, most insulation / absorbing materials are more alike than different.
--Ethan |
Two pieces of very interesting information from a person who would definitely know:
(1) Like performs similar to like and
(2) different measurements of like differ.
I'm sure this has been done to death (although my first primitive search didn't get me what I'm interested in). Could someone possibly point me to a reference/thread/etc. which details the different measurement techniques which give different results, or, alternatively, outline the measurement techniques used and the error bars/reasons for discrepancy?