The answer is a big fat No.
For speaker design, having an anechoic room is the least important factor. You can achieve high precision without an anechoic room.
http://parodielin.blogspot.com/2011/09/6.html
Some people would say one has to know the limit of non-anechoic room. In reality and practice, one has to know the limitation of using an anechoic room.
作者: parodielin
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