Reference: Lab Experiments Journal vol-12, No.1, Page-55

Helmholtz resonator

Model: DHR-201

Experiment(s):

Verification of Helmholtz law

Determination of volume of the resonator

Specifications

1 . Helmholtz resonator on stand

                    Speaker and microphone arrangement directed into container
Frequency response: 20 Hz to 16 KHz
Volume: 250 ml
                  

2 . Digital tuning fork

                    Alternate to manual tuning fork,
Frequency: Variable
Amplitude: Fixed
Output: fed to speaker, up to 85 dB
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Power consumption: <30 W
                  

3 . Relative sound intensity meter

                    Input: From the microphone
Built-in amplifier for conditioning microphone signal
Output: Display of relative sound intensity
                  

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