https://dl.dropboxusercontent.com/u/21300833/Deconvolver/Deconvolver.zip.zip

Here's Deconvolver free version w/the test tone. When it says you only get three uses, it just means you have to close the program and open it again.
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Soundcloud: https://goo.gl/J0VHoC
Tonefinder: http://goo.gl/WI3Ahh
YouTube: https://goo.gl/6P3Mjg