
Why Bass Changes When You Move Your Chair: A Room Modes Guide
In a room 4.8 metres long, 36 Hz is a good frequency to put on your test list. At room temperature, sound at that frequency has a wavelength of roughly 9.5 metres. Half of that fits between the front and back walls. A chair near the middle of the room can sit in a weaker part of that particular standing wave, even if the same note sounds strong nearer a wall. That is one way to account for a di...
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