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Really inspiring build!! (buildS, if i consider also the dirtbaby)
In the next few days, when i have all the components, i'll begin to populate my boards, with the hope to make something as good as yours!
Kudos to you 

Hi everyone!
I've built a green Russian bm from the vero layout by lvlark @fxlayout, but i'm having very little to no sound from the pedal.
I've decided to measure voltages on the trannies and i've found out that the collector on every trans (using 2n5089) takes only 0,9 from the dc instead of the normal value of circa 4.
I'm using 15k resistors feeding the courrent to every collector, like on the vero layout.
Anyone can throw me an hint to continue debugging this pedal?
Thank you guys!!

I'm not super familiar with the circuits you're building (maybe post a schematic if you get a chance), but you can often tailor the bass response of a circuit by changing the value of the input capacitor (almost always the first cap in the circuit). I lower value will result in less bass. You could put two or three caps on a switch and use that to change the value of the input capacitor, which will in turn effect the amount of bass passed to the circuit. 0.1uF is usually "full frequency". 0.068uF or 0.033uF are common in circuit intended for guitar. Halving the value will increase the cut off frequency by an octave. It might take some experimentation to find values that you like.

Thank you so much pal  !
I've never considered to modify the input cap, i'll try something like this, but i've noticed the input cap it's 0.01uF, so i don't know if i have some space of manouver here.
Anyway, here's the schematic, if it helps:

Credits to IronMan Elec

Hi everyone and sorry for the intrusion, but i really need your help.
I'm building a sort of preamp/di for an acoustic guitar based on the DOD 410 (for the preamp part), plus a 5 band eq and a balanced line-driver (courtesy of Th-custom).
Now, i have two main issues:
1 - the guy who asked me to build this pre, asked also to put an hi-pass filter at the beginning of the signal chain; i'm relatively a newbie at building pedals and above all at electronics. I've searched online but i didn't found something really relevant to guitar pedals, and the little information i reached are way too complicated for me.
Can you, if it's possible, explain me some way to implement such filter, from the simplest (on-off with fixed cut value) to the most complicated?
2 - i'm building the pre itself (DOD 401) using the veroboard layout from GuitarFXLayout (http://tagboardeffects.blogspot.it/2013/10/dod-studio-bifet-preamp-410.html) and, as i'm using a 5 band eq after it, i just want to bypass the circuit tone control. How can i obtain this result?

Thank you in advance for the answer, i'm sorry for my incompetence throwing shadows on the whole diy community (no ok, now i'm exagerating  )

I know it's a old topic, but for those who where asking for an european dealer carrying pre-bonded wire, Banzai has it!
http://www.banzaimusic.com/Wire-0-25mm-Pre-bond-red-15m.html
This is the red one, but there's a variety of colours available!
Hope it helps