Just about to ask the same question…
I found it on the main thread in the pdf.
The reference setting for this project, are 9.5V on T7 and T8, which gives a positive phase at about 1.5% at 1 volt output. You are free to set it elsewhere.
Thanks much for this. Giving it a go with your board and Q4 from your store. Everything else DIY (darn out of stock!).
One question, the amp is out of phase so the - out goes to the red speaker post and the + out to the black?
Thanks much! Dan
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