Sorry your post was missed due to a web site problem.
Now that we can see your post, I want to thank you for providing such detailed information.
Your circuit is very interesting although I am concerned about using a supply voltage of only 1.5V. If the circuit can be modified to operate on the standard 9V that is used by most pedals, it may have value to the Guitarpcb community.
Of course, the real test is the tone it produces. Is there a way you can send us an audio file that demonstrates its response? If Barry likes the tone, he may be interested in discussing it further.