Senior editor Dana Kawala installed a SoundTraxx Econami ECO-100 Digital Command Control (DCC) sound decoder into a Trix HO scale United States Railway Administration light 2-8-2 steam locomotive.
What are DCC sound decoders? Well, to put it briefly: A sound decoder is a computer on a chip that receives and interprets signals sent from the DCC base station and puts out an analog signal that ...