Published on Saturday 19 June 2021 by Hornby Magazine

The new Heljan Class 25/3 presented an opportunity to add extra functionality to the model as part of a sound installation. MIKE WILD installs a ZIMO chip into the new ‘OO’ gauge model with sound from Digitrains.

Read the full review here:
www.keymodelworld.com/article/heljan-class-25-zimo-sound-installation-guide

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shop.keypublishing.com/issue/list/publication/HM

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