Room Treatment Reviews

Description: Low- and high-frequency acoustic absorbers.
Dimensions: 36" and 24" high; 9", 11", 16", and 20" diameter. Semi-cylindrical versions of all sizes available.
Prices: $59–$299, depending on size (1986); $458–$858 (2009).
Manufacturer: Acoustic Sciences Corporation, P.O. Box 1189, Eugene, OR 97440. Tel: (541) 343-9727. Fax: (541) 343-9245. Web: www.tubetrap.com.