Output impedance of tl072 input buffer

[mladenu]

Firstly .. You guys are my inspiration to end this thing exactly as it should be and I'm immensely grateful you for all of that!  :tu:  8|

Very appreciate your willingness and commitment to help me. In this I recognize myself .. Always felt good when someone transfer part of my knowledge and when that someone is happy because of that ...

To move on to answers! 

Phatt, I am on Mac OS X platform, and name of softwer I use is DIY Layout Creator, which is free, simple, and intuitive.. For my very small experience, is more than serviceable.  :cheesy:

Info link:
https://code.google.com/p/diy-layout-creator/

I have studied your suggestions in the attached picture, and here I upload revised PCB layout ... I hope that it is now a little bit better ..

Guys, will adopt all your suggestions and techniques in making PCB..

If there are objections or opportunities to improve the design, just shoot!  :cheesy:

Regard, Mladen!

[Roly]

Very appreciate your willingness and commitment to help me.

And well worth the price...   :lmao:


...um... title block/board ID - project/your name/date?

[mladenu]

Currency profitable from banana republic!  :lmao:
I forgot to insert proper lug size for pots, like in alpha datasheet for 16mm diameter pots, and now is more safe, IMHO...

One more question Phill, pot related... On your schematic lugs on middle and bass pot are without connection, but on pcb is linked.. Is this regular?