The Acme Tornado 635 is available for purchase through my Amazon storefront (I earn a small commission) amzn.to/4ezshI9 How to blow into a whistle: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-q2gl87GGb6Y.html See this whistle compared with all other Acme whistles: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-T4gNguOQW84.html
With or without CMG it will sound the same. The difference is only the CMG so there is nothing new to show compared to this: Fox 40 Mini - Whistle Sound Review & dB Test ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rUtKTnBT6W4.html
