In the early 60s, when Japanese chainsaw brands emerged, the first saws were not really intended for export. There are a number of models that did not make it to the US or Europe.
The first blue Echos (CS80, CS60), for example:
Video (I like the sound of these)
Very Very nice collection. And I agree, that saw in the video sounds awesome. I have never heard a saw sound like that. Put up a video of it in some wood if you don't mind :msp_biggrin: