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Swiss model railway specialists Shipped from Switzerland Märklin · Trix · LGB

Analogue, DCC, mfx: which to choose?

The question that heats up forums and blocks beginners. Short answer: it depends on your track — and on what you really want to drive.

The three worlds

AnalogueThe transformer sets the voltage; every train on the circuit responds together. Simple, robust, perfect for starting out or running the old collection.
DCCThe international digital standard (two-rail). Each locomotive has its address: independent speed, lights and sound, several trains on the same track.
mfxMärklin/Trix digital (mostly three-rail). The locomotive announces itself to the Central Station — zero configuration.

The rule that simplifies everything

  • Märklin track (3-rail AC) → Märklin controller, mfx or DCC-AC locomotives. The world of the pickup shoe.
  • Two-rail DC track (Trix, Roco, Fleischmann, Piko…) → DCC, whatever the controller (Z21, multiMaus, CS…).
  • An analogue locomotive can almost always be digitalised — it is a decoder fitting, not a bereavement.

Our counter advice

  • Beginner with children: a digital starter set — everything factory-matched.
  • Old collection: stay analogue, or digitalise machine by machine at the workshop.
  • Sound: spectacular — but choose it for the flagship machines, not everywhere.

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