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Soundproofing the basement band corner

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185 decibels is the real line

Sounds louder than 85 decibels can cause permanent hearing loss, and both the noise level and the length of exposure increase the risk; a basement practice space with drums and amplifiers running for hours is exactly the sustained-exposure scenario that threshold is warning about.

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2Damage is often invisible until it isn't

Prolonged exposure to high noise levels can lead to gradual hearing loss that isn't detected immediately, which is precisely why a band corner's real risk doesn't announce itself the way a single loud bang would.

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3Protection matters more than avoidance here

When avoiding loud sound isn't realistic, which describes most band practice, hearing protectors, earplugs or protective earmuffs, are the practical answer; they lower the intensity of sound reaching the ear without eliminating the point of practicing in the first place.

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4The exposure time has a real, published table

Cal/OSHA's permissible exposure table trades loudness for time directly: 85 decibels is allowed for 16 hours, 90 for 8, 100 for 2, and 110 for just half an hour, each 5-decibel jump roughly cutting the safe exposure time in half; a practice session that runs hours at drum-and-amp volume can burn through a whole day's allowance before the second song.

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5A simple rule of thumb: if you have to raise your voice, it's already loud enough

NIOSH sets its own recommended exposure limit at 85 A-weighted decibels averaged over 8 hours, and offers a practical test: noise is likely hazardous if someone has to raise their voice to be heard by a person standing an arm's length away, which describes most band practices from the first song on.

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