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Understanding Vented Speaker Impedance

Rick Sykora

Rick Sykora

Major Contributor
Forum Donor
Jan 14, 2020
Stow, Ohio USA
So circling back to the 224 Hz resonance, I realized I had addressed it in another thread, but needed to make a connection back to this thread.

Here it is: https://www.audiosciencereview.com/.../rebuild-of-purifi-spkx-speakers.35878/page-2

So have now shown resonances from drivers, vents and cabinet parts. Internal damping material can help with some of these resonances but not all. In some cases, damping is a mere bandage over the root cause of the resonance. Unless you know the root cause, you can be simply masking the real problem. If the root cause is more expensive to fix than a bandage solution, you may see some manufacturers choose the bandage instead. This is not always bad but may simply be an engineering tradeoff. These tradeoffs are made all the time in many products.
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