With the help of DCC Supplies, we are now moving over to 'on board sound'
see
http://www.009.cd2.com/members/how_to/chuffed.htm (http://www.009.cd2.com/members/how_to/chuffed.htm)
there is a video of a test train. There are still many adjustments to make, by the way.
http://www.009.cd2.com/members/how_to/images12/chuff.wmv (http://www.009.cd2.com/members/how_to/images12/chuff.wmv)
JdF