Heathkit ID-101 Electronic Switch Scope Chopper 1971 test teardown

Radiomuseum says it is from 1971 , chop speeds 122, 800, 1k, 4.8KHz, power consumption 5.9W at 220V AC (this is my number 11 Heathkit video :-) I had a big fight with A and B gain potentiometers, stuck 2K lin, maybe a good idea to replace them in the near future. ---- #tube #teardown #heathkit --- I use auto generated subs, I go thru them my self, but i am far from perfect at finding all errors, so if you find errors worth fixing, please comment (or PM) with the TIME in the video you saw the error, i will be happy to fix it. This also apply to the Danish version. -- (Thanks to all my Sponsors / Traders / Swappers / Sellers / Buyers, without your support and constant flow of cool items in/out, none of this would be possible)