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Bachmann OO Class 03/04 Diesel DCC Sound

Example of installing DCC sound with Stay-Alive SuperCap68 in a Bachmann OO Class 04 diesel...

This is a relatively old Class 04, without any DCC preparation. We have shaved a little of the chassis block off the top to make room for wiring and components. Pickup wires are wedged between the split chassis halves.

A Zimo MX648 sound decoder is used, with SugarCube speaker, positioned low down in the cab so as to be out of view.

Zimo's excellent SuperCap68 (6800uf stay-alive super capacitor) is mounted vertically at the back of the cab. You can just see the top of it through the rear window, so the top is painted black. The SuperCap68 gives around 1.5 seconds of run-on time after power is cut, so it excellent in this little shunter with short wheelbase.

We've offset the speaker and decoder slightly to one side, and shaved the inner arm from the driver to get everything in, but it works very well, and to top it all off, a yellow working lamp is fitted front and rear.

Disclaimer

Please note that these guides are provided as useful resources for you, as-is. YouChoos cannot be held responsible for errors in the information, or for any damage caused to your models or equipment if you choose to follow any of the steps detailed here.