Installing ESU sound in the Bachmann Class 66

Bachmann's Class 66 is a simple locomotive to upgrade to digital sound. In this KeyModelWorld exclusive feature MIKE WILD installs an ESU 21-pin decoder with Legomanbiffo's high performance sound together with a powerful speaker and stay alive into the 'OO' gauge model. Read the full guide here and watch our sound demonstration video.

Class 66 sound demonstration

Above: 66745 draws a set of Network Rail JNA ballast wagons out of Topley Dale Quarry fitted with its new ESU sound decoder.

WHEN IT COMES to installing digital sound it is easy to over complicate matters, but the Bachmann 'OO' gauge Class 66 makes an ideal starting point for those are new the game of sound. Firstly it is readily available, secondly it has a 21-pin decoder socket and thirdly there is plenty of space for a speaker without the need to make any physical changes to the model.

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