ASwarm of Bs - Intermountain F7B units with LokSound 5 Micro DCC decoders and 13x18mm speakers

Very large speaker install into IM F7 B-units. Front cab area (unused in a B) was milled down to just 0.35mm of metal over the worm gear. Front wall was also milled out, to less than 0.25mm thickness. These will not normally run together like this.

Видео ASwarm of Bs - Intermountain F7B units with LokSound 5 Micro DCC decoders and 13x18mm speakers автора European Auto Extravaganza