I have seen old organs which used solid state VCOs that also had an incandescent lightbulb near the circuit boards to help maintain a stable temperature, and ha

I have seen old organs which used solid state VCOs that also had an incandescent lightbulb near the circuit boards to help maintain a stable temperature, and had thought they must use a thermistor although I seem to be mistaken as I can't find much information about that. I did find this however: https://northcoastsynthesis.com/news/temperature-compensation-with-ntc-thermistors/ https://northcoastsynthesis.com/news/temperature-compensatio...