Cannon Fodder MKII Distortion

genXslacker

genXslacker

Active member
Build Rating
4.00 star(s)
This was a very straightforward build, other than difficulty sourcing a 0.68 uf electrolytic. I subbed in a 1 uf, which seems to work fine. I went with shielded cable because "superdistorter".

First time using bare bus wire from board to pedal. I like that and have already wired another in similar fashion.

I really didn't expect to like the circuit; I was mostly building it as a toy. As it turns out, some of the lower gain settings are overdrive-y and quite nice.

Anyway, here's Wonderwall:

CWC - top.jpg
CWC - guts.jpg
CWC - lid .jpg
 
comradehoser said:
I need to buy or make a stamping block. Nice!
Click to expand...

Thank you! I just use an anvil. If you're not trying to stamp the sides (like in/out or 9V), the little 15-pounder from Harbor Freight works just fine.

edit: I should probably mention that I use some fairly thick aluminum bar stock to support the face from the bottom while stamping. The lid just goes on the anvil.
 
genXslacker said:
Thank you! I just use an anvil. If you're not trying to stamp the sides (like in/out or 9V), the little 15-pounder from Harbor Freight works just fine.

edit: I should probably mention that I use some fairly thick aluminum bar stock to support the face from the bottom while stamping. The lid just goes on the anvil.
Click to expand...
This looks great. Hoping to finish this one soon. Did you drill the enclosure yourself or use a tayda drill template?
 
argylehustler said:
This looks great. Hoping to finish this one soon. Did you drill the enclosure yourself or use a tayda drill template?
Click to expand...

I drilled it myself, which can be a frustrating process, but I don't have to wait for Tayda or pay shipping and tariffs.

My process looks something like this:

  1. Mark spots with an automatic center punch.
  2. Drill pilots with a small center drill chucked into a hand drill. (I have a serviceable drill press, but it's excruciatingly slow for enclosures.)
  3. Enlarge pilots to 1/4" with center drill.
  4. Enlarge to final sizes with a step bit.
 
Does the shielded cable really help in high gain pedals?

@argylehustler Drilling your own enclosure sounds difficult but it isn’t. You don’t even have to use a drill press. I have one but choose to use a standard hand drill cause it’s quicker. All you need is the drill template cut out, a center punch, a small 1/8” or so bit to start the holes, tape and a step bit. I do it in this order.

1. Cut drill template out, fold all 4 edges over and position it proportionally to the enclosure.

2. Painters tape. I tear about 8 pieces of painters tape off and stick them to the side of my desk for easy access.

3. Have your template centered and pull tight. Start tapping on one side then the other and so forth.

4. Use your center punch and a hammer to mark your hole. 2-3 good whacks is enough.

5. Use your small bit to pre-drill the pilot holes. Sometimes I’ll use a 1/8” followed by a slightly larger bit just to be safe if the pedal has more than 4 pots.

6. Use your step drill bit to finish the rest. I don’t even pay attention to what size I drill it to I just drill enough to drill out the template holes and a tad more.

Sometimes you may need to go in and enlarge the holes a little. For that I’ll just use my reamer. Make sure to get all the little chips outs and wipe it down with IPA. Easy. Takes about 15-20 minutes.
 
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