[quote author="peter purpose"]I've managed to squeeze in an upright discrete op amp for a balanced input, so will probably abandon the larger sized board.
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Is the A4 DOA on the PCB supposed to be a 2520-footprint thingy? If so I´m missing the ground pin. And I´m wondering how it should fit there. The ones I have here are physically larger than the space on the PCB is. Or am I getting something wrong?
btw great work, Peter :thumb: