| A Theremin built with tubes like the original and safe voltages (only 12V for the heater and 40V-DC for the anode-/plate-voltage)
| A Theremin built with tubes like the original and safe voltages (only 12V for the heater and 40V-DC for the anode-/plate-voltage)
| Select a value out of 7...8 decades from resistance, capacitance and inductance and connect them in series, parallel or isolated from each o...