Ready to try acoustic levitation at home? What equipment do I need?

[ElectricPaint]

Hello everyone,
I would like to start playing around with acoustic levitation.
Apologies if this is the wrong sub-forum... I psoted in General, as I am not sure where the best place would be for this.

My question:
What equipment would be needed to start a simple acoustic levitation?
I have no idea what "transducers" to acquire.
And would I then need a waveform generator?
Anything else?
An amplifier?

I attach an image for reference... that's basically what I'm trying to do.
Nothing laboratory grade... more "home tinknering".

All advice is greatly appreciated!

 

[jedishrfu]

Here's a DIY article on it:

http://hackaday.com/2013/09/20/diy-ultrasonic-acoustic-levitation/

http://www.instructables.com/community/Acoustic-Levitation/

Please note that high db levels can cause serious injury as is mentioned in the preceding article.

 

[ElectricPaint]

Hadn't seen this!
Thank you!

Will check up on it and post back here.