Installation of ESU 73100 LokSound Select Direct Micro into an N-scale Atlas SD7, Minneapolis & St Louis #952. This is one of the easiest installations to perform with this decoder, no milling is needed for the frame. Only a customized speaker enclosure to maximize sound (as shown)
ESU Select project 75811 (EMD 16-cyl 567BC) is used, and Leslie dual A200/A125 horn is used (per prototype).
