I would like some advice as to which dcc/sound decoder i should use. It is an Atlas Trainman gp38-2 with a 9 pin socket.
Atlas units have an 8 pin plug…not an 9 JST socket.
That being said, you have a few choices; SoundTraxx Tsunami EMD 645 or QSI-Revolution. Both are board replacement type applications and require you to find a space for the speaker.
I strongly advise not to purchase an MRC sound decoder, no matter how good the price. They have a very high mortality rate…not worth your time…at all.
David B