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I have spent the morning setting up my Bachmann class 150/2 with a sound chip and speaker. I have taken a few photos etc and recorded a short video.

Once you have the body off its quite easy to remove the lighting PCB.



Then you remove a section of the seating that is covering the speaker socket.

I used the supplied speaker chamber and sealed it with BluTack.

However once in place you cannot put the removed seating section back in this is not a big issues as you cant really see the speaker when the loco is running round but I may replace this later with two sugar cube speakers as these will drop down lower in the speaker well.

A short video of the 150 running.
http://www.youtube-nocookie.com/embed/f1HOimItkNM?rel=0

Once you have the body off its quite easy to remove the lighting PCB.



Then you remove a section of the seating that is covering the speaker socket.

I used the supplied speaker chamber and sealed it with BluTack.

However once in place you cannot put the removed seating section back in this is not a big issues as you cant really see the speaker when the loco is running round but I may replace this later with two sugar cube speakers as these will drop down lower in the speaker well.

A short video of the 150 running.
http://www.youtube-nocookie.com/embed/f1HOimItkNM?rel=0