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PVC pipe Helmholtz resonator

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Old 10th May 2011   #31
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Hi Whitesnake. If you click on the link you should end up over at studiotips where I posted pictures etc. I did detect resonance by inserting a microphone in the Tub. I intend repeating the experiment shortly because someone pointed out that the damping fuzz might need to be in the neck of the device, where the air action is most intense.
DD
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Old 10th May 2011   #32
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I also build helmholtz resonator.
I want to receive resonance frequence of 48hz, but I receive graphics on photo 2. What are you thinking about my result?
I tried to measure my room with and without this resonator and I saw improvement on 34hz +2db. On this frequence i have hole.
DanDan,
Are you trying to build roomlens absorber?
Roomlens
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