Product Perusal: Fire-Rated Back Boxes
April 1, 2007
Back boxes have long been available for small applications such as loudspeakers, recessed lights or electrical boxes. They provide a fire-rated casing to separate these items from the insulation within a wall. Now you can get a back box big
Why STC Doesn’t Tell You Everything
March 1, 2005
The sound isolating properties of wall and floor/ceiling assemblies are often presented using a single number rating system, the Sound Transmission Class (STC). The STC rating of a partition is determined by following an ASTM Standard which compares the sound
Another Neat New Loudspeaker
May 1, 2004
Part of the solution for the Bloomingdale’s Medinah Temple Home Store was finding a loudspeaker that sounded good, but had a small “form factor”. We had previously used TOA’s H-1 loudspeaker for pew back audio systems in churches and for
Fiberboard Facts
June 1, 1997
By whatever name you call it: Fiberboard, Beaver board, sound-deadening board, CelotexTM, or HomasoteTM, this material seems to be making a comeback with potential acoustical uses. But before you decide to add it to your next project, you should know
Peach Piracy?
April 1, 1994
Speech privacy (peach piracy) exists when a conversation cannot be understood even if it can be heard. There are 4 levels of speech privacy; normal, confidential, inaudibility and none. Normal speech privacy exists when someone can only partially understand the