HO Locomotives
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Athearn SD40-2 sound 4 |
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The dynamic housing and the speaker are wider than the main body shell, which is quite thick. I filed down the plastic around the speaker magnet and also milled out these resesses in the shell to get clearance. I also had to file a bit off the ends of the four diagonal braces on the speaker (visible unfiled in picture 3) to clear the shell. |
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Copyright Mike Sheridan, 2003-2006