This thread makes me realise that the old Telequipment D61 Cathode Ray Oscilloscope I have is worth hanging on to. It's basically a CRT with signal conditionin

This thread makes me realise that the old Telequipment D61 Cathode Ray Oscilloscope I have is worth hanging on to. It's basically a CRT with signal conditioning on its inputs, including a "Z mod" input, making it easy to do cool stuff with it.