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Bachmann OO Desiro 350 EMU

Bachmann OO Desiro Class 350 EMU

Kit: MX644D; Dual SugarStrand25X20X06-3W; LifeLink with 3x 470uF Tantalums

A housing underneath the 350 Desiro's motor coach gives access to the 21pin DCC socket in this model - just 2 screws removed and we're in. Not a lot of room for a speaker though - 28mm round is too wide, and 23mm will be poor performance, so we go for the biggest dual SugarStrand that we can fit in - only 6mm, but even so, this works quite well in this model and is an easy installation.

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The dual Strand speaker would normally come pre-wired from YouChoos, so don't be alarmed by the photo - this was one fresh off production!

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We need to snip off the 2 screw mounts that are designed to hold a speaker, as they'll just be in the way of the Strand.

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Flatten the tray as much as possible - we just took our Dremel to it.

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Tin the speaker pads in the model ready to access our speaker wires.

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Now solder the speaker wires onto them.

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The Strand is a perfect fit here, and just gives enough clearance for the decoder too.

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Probably doesn't need it, but we add a little stay-alive too, using our LifeLink PCB and 3x 470uF tall/narrow Tantalum capacitors, and this fits in the remaining space exactly.

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Disclaimer

Please note that these guides are provided as useful resources for you, as-is. YouChoos cannot be held responsible for errors in the information, or for any damage caused to your models or equipment if you choose to follow any of the steps detailed here.

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Steeple Ashton
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