Hey, i'm in doubt about the feedback mod. The schematic of the SA-7 shows the audio input is at pin 6 of the AN8053 leaving pin 5 unused. The datasheet says the same. The picture on the other hand connects pin 5 to pin 5 on the OKI. Shouldn't it be more like output pin from the AN to pin6 (output of the AN)? Also, I was thinking about making an FX loop on the way beetween pin 5 of the OKI and pin 6 of the AN, has anyone tried it? cheers, nice site