philg Posted February 28, 2021 Share Posted February 28, 2021 Returning to the hobby after a while, I was looking for a decoder similar to the TCS A1s I used to use to replace many non DCC-ready circuit boards, and bought a couple of A4Xs from TCS UK These are so much better than the old A1s I couldn’t believe it. Fitted one in an old Rivarossi loco, and at speed step 1 it CRAWLS. Even though this is an old model with an ancient gear train. The TCS back EMF manages to keep the motor turning whatever stickiness is there! Great job TCS 1 Link to post Share on other sites More sharing options...
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