![I am trying to make moritz klein's VCO, but everytime i connect it to an speaker no sound comes out, everything is properly connected and powered up. Do i need an amp? I am trying to make moritz klein's VCO, but everytime i connect it to an speaker no sound comes out, everything is properly connected and powered up. Do i need an amp?](https://preview.redd.it/h9b0boq375u51.jpg?width=640&crop=smart&auto=webp&s=4207b26469cc77ada49b48e81d8d9d379069b860)
I am trying to make moritz klein's VCO, but everytime i connect it to an speaker no sound comes out, everything is properly connected and powered up. Do i need an amp?
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