Next crank it up but be slow about it to see how you react to the low frequency. A 15hz sine tone is a good start or even better a sliding tone from 6...
Step 9: Step 9
Next, stain the wood and repeat again to get a rich color. If you would like to take the project one step further you can add 100 grams of bondo to the cone you can lower the frequency. To half the resonance double the cones mass. The Pyle's resonant frequency is 22 hz. We decided not to do this but it is certainly worth a try.
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