Due to the position of the fan assemblies in this Heljan model, there isn't much scope for a larger speaker without modifying
them. So we opt for a single IceCube, which is perfectly good for most people's requirements. We use the larger MX645R sound
decoder, as the Heljan motor is quite hungry. No stay-alive in this one, but we could have added a SuperCap without too much
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.