Is there a dust cover on the Tone pot? That could be shorting out on the board. Can we see the other side of the board to inspect soldering? Some of the pot joints look suspect for either too little or being a cold joint.
Try to take voltages from your op amp.
Then it’s down to checking component values and if nothing looks amiss then audio probe the circuit.
This thread is helpful:
There comes a time for every builder to spend multiple hours soldering, wiring, and breadboarding a certain circuit just to have it work incorrectly, if at all. This could happen on your first build or any build after that. This write up is to help you in your quest to figure out why it isn't...
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