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Befaco BF-22 DIY
MUFF WIGGLER Forum Index -> Music Tech DIY  
Author Befaco BF-22 DIY
So I just built the Befaco BF 22 filter, and I am having an issue. Hopefully some of you may be able to help. I searched the rest of the DIY section and nothing really came up addressing my problem. I also checked online, went through the troubleshooting, and double checked everything. I couldn't find a solution.

So the module powers up perfectly, no smoke, or any power related problems. It passes sound through it (at fairly low level even with input gain cranked), the switches work between hp and lp, and the cv works. The problem is the filter and the res basically do very little and act wonky. I cannot get it to self oscillate, thus I can't calibrate it (though i tried). I have been through all the troubleshooting guides. I have double checked all resistors (twice before even placing them, and twice since),diodes, capacitors, etc, no polarities are switched, nothing burned out, all ICs are properly placed. I followed the build directions to a T and I have never had a failed build. I am curious what the solution here is, or if there is one.

I have no clue what the issue is. All solder points have a connection, no bridges, or cold joints. I have no clue what the deal is. If someone has any ideas I would love to hear them.

Sorry for the big wall of text. Any help from fellow wigglers would be much appreciated.
I've just completed one and the left channel of mine is faulty as well, is yours the latest pcb version.3?
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