Is Red Circuit's Guitar controller Really RED?

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I wanna build a guitar controller circuit for my acoustic guitar. I dont like the transistor based or FET-based preamp, So I choose a red circuits "Guitar Controller" from http://www.redcircuits.com/Page69.htm.

What are your views, likings, dislikings about the design?

Do you think that making the circuit on a vero board (aka stripboard) with all shielded wires will cause humming?

Is there any difference(s) between TL062 and TL072 except the power comsumption?
 
For a simple amplifier you can use either of those two amplifiers. For overdrive you shoud ude a tube.

Ohooo, why need tube? if I use any one of these...

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