Those aren't bridged.
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No, if I remember correctly (and it's been 20 years) the DC outputs both sit at about 1/2Vsupply. I recall the TDA2003 has an internal resistive divider which always sets the output OP point to half supply. The trimmer is centered at that voltage and can swing above and below it. That means it can adjust the offset in both directions around the nominal value to get zero Volts across the speaker..Your offset adjustment is in a positive only direction. What if you need a negative offset adjustment, swap the amp ICs?
IMHO, the problem will disappear if you do this:I will have to post my wired circuit I am making a stereo amp not a briged amp ! Bothe circuits work fine on there own. Somthing to do with connecting them.
You've got the inputs and outputs connected at one end of the PCB so it's no surprise it's giving you trouble.
Connect the input, output and return as close as you can to the respective IC and the problem should go away.
OK, now I understand why it won't work.He's building it on Veroboard so I don't think that's an option.
Those are voltage regulator heatsinks. Audio amp heatsinks are much larger.
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