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So this is based 99% on STI’s suggested application for running the TDA7294. The circuit circuit is one half of a dual mono setup. The only things I have changed are running it balanced, having a line out (that just uses half the balanced signal), and an LED circuit. It’ll be powered off an external supply. Heat is managed by the heat sinks on the Pass ACA, which are just slightly better than the equations suggest for running each channel at 1/10th load constantly.
Anyway, this is the circuit and I have the PCB layout finished, but I thought I would post it up here since I’m a newb and probably screwing up something obvious. Thank you for any pointers.
Patrick