I have a basic concept of it but I need to clear my mind.
What is a buffer and what´s his purpose? and pros and cons
Thanks in advance
http://screaminfx.com/tech/why-and-when-to-use-a-guitar-buffer-pedal.htm
This may or may not help you clear your head :)
Here's a good article with lots of practical stuff for you to build.
http://www.muzique.com/lab/buffers.htm
Hey, just saying thanks. I forgot it. Very instructive links