Clean Up Your Studio’s Low End
Gaining control of low-end frequencies is one of the most important things you need to consider when building a studio. Failure to do so is a surefire path to inaccurate monitoring and, consequently, subpar mixes. Made from high-density glass wool, Primacoustic’s Cumulus offers an easy, cost-effective solution to that age-old problem. This tri-corner bass trap captures low-frequency sound as it migrates to the corners of your room, effectively attenuating frequencies 100Hz and up. Its unobtrusive design looks great in any room, and thanks to its Class A/1 fire rating, it’s safe to use anywhere. To top it off, Cumulus bass traps are a breeze to install, by virtue of their unique spring-tensioned clamping system. If your mixes aren’t translating, you need to clean up your acoustic environment. Primacoustic’s Cumulus is a great place to start.
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Effective low-frequency management that fits in any room
Studio designers have long been aware that treating the corners (also known as tri-corners) of a room is vital to creating an acoustically sound space. This is because walls and ceilings act as waveguides, enabling sound — most notably, low-frequency content — to gather there. Unfortunately, this is the area that most studios fail to treat adequately. After all, mounting full-size acoustic panels in corners is easier said than done. Cumulus bass traps solve this problem. These 24-inch panels snap effortlessly into position using an easy-to-install spring-tensioned clamping system, and they only extend down 17 inches after installation. Composed of high-density 6-pound-per-cubic-foot glass wool, these bass traps yield broadband absorption down to 100Hz. At Sweetwater, we’ve found that this effectively mitigates low-mid boominess, including standing waves and the 200Hz–300Hz chest thump that plagues many vocal booths.

Primacoustic Cumulus Tri-corner Bass Trap Features:
- High-density 6-pound-per-cubic-foot glass wool construction
- Yields broadband absorption down to 100Hz — mitigates low-mid boominess
- Class A/1 fire rating makes it safe to install anywhere
- 24-inch panel fits into corners where full-size bass traps won’t
- Unique spring-tensioned clamping system for easy installation
- Unobtrusive design looks great with any décor