GGG - Mini Mixer question on unity

[caspercody]

I created the GGG - Mini Mixer:

http://www.generalguitargadgets.com/pdf/ggg_mixer_sc.pdf

I just have (2) inputs. One for MP3 input (J1), and the other for the guitar (J2).

I have a DIY true bypass looper and I put this Mixer in the same loop that I have a Danelectro EQ (fish and chips). These are the only pedals on that loop.

I also put a true bypass switch in front of the guitar input on the Mixer pedal.

When I put this mixer after the EQ, I cannot get unity sound level (unity sound level is based on when I switch the bypass on the Mixer on and off). The MP3 input I can get unity sound level. If I put the Mixer in front of the EQ, I do get unity sound level, but now the MP3 is not run through the EQ.

My question is, would increasing the input pot value (R2) for the guitar input help me to get unity sound level? Or do I need to decrease R10?

I think I am losing sound level because of the output buffer from the EQ, reason I say this is I added a buffer in the Mixer, but removed it because it dropped the audio level.

Thanks
Rob