3C50.55 - Noise Generator and Filters

The filters fit over the speaker and will eliminate certain frequencies when the unit is used as a noise generator.
Code Number:
3C50.55
Demo Title:
Noise Generator and Filters
Condition:
Excellent
Principle:
Noise Generators, Selective Filters
Area of Study:
Acoustics
Equipment:
White noise generator, Filters (Glass and Cardboard), amplifier, speaker.
Procedure:

The filters fit over the speaker and will eliminate certain frequencies when the unit is used as a noise generator.  

References:
  • Ron Hipschman, "Vocal Vowels", Exploratorium Cookbook III, p. 194.1 - 194.5.
  • Richard Berg, "Another Resonance Tube Demonstration", PIRA News, Vol. 8, No. 3, p. 32.

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