High School Amplifier or oscillator for a vibration generator

[arosinblum]

I purchased this vibration generator to construct a Chladni plate. I was hoping to use it with my existing oscilloscope (which appears to be very old). It seems the oscilloscope is not giving me a signal strong enough to drive the generator. Any suggestions for a different amplifier or power signal generator that wont break the bank but will be powerful enough to drive the vibration generator?

 

[Baluncore]

Oscilloscope? Maybe you mean audio oscillator.

The vibration generator is basically a loudspeaker.
Use the audio oscillator as the signal source.
Use an audio power amplifier to amplify the oscillator, and to drive the vibration generator.

 

[sophiecentaur]

It seems the oscilloscope is not giving me a signal strong enough to drive the generator.

A normal oscilloscope doesn't produce signals. It analyses them. A suitable audio oscillator needs to be fairly powerful to get a decent displacement of that transducer at sub-audio frequencies. The type of oscillator needs to have a suitable frequency range so it needs to be like the one mentioned on the link. A general purpose audio oscillator may not do the job so be careful of the spec of anything you may need to buy second hand.
A DIY version of a LF vibration generator can be made with a model electric motor with an eccentric load and a variable voltage power supply. You can measure the frequency with your oscilloscope. Not the best but quite a bit cheaper and a good base for future experiments.

 

[tech99]

I think you need, say, 2 watts or more of audio power to drive one of these. I have used a Chladni plate with the very same vibration generator as you describe.