Here is Legomanbiffo's excellent Class 24 DCC Sound file!!. This specific chip is set up for the 00 Gauge Bachmann Class 24/1 locomotives, However this sound file will be perfect for the new upcoming Heljan Class 24s in O gauge set for release around Christmas 2024 and into the new year.

Let us know in the comments what you think to this sound file. If you would like to order one please call or email us. All of the details can be found on the DC Kits website...
https://www.dckits-devideos.co.uk/