Primacoustic Cumulus Tri-Corner Bass TrapThe Cumulus is a high performance tri corner bass trap that is designed to seamlessly integrate into most rooms without interfering with the natural room dcor. Given the choice, acousticians will always employ corners for acoustic sound control. This is primarily due to the way sound propagates inside a room, whereby the walls and ceiling act as waveguides that drive sound to the corners where it gathers. The Cumulus nestles high, up into the tri