With distortion of less than 1 dB from 10 Hz to 20 kHz this circuit was found in the December 1972 issue of Radio Electronics magazine. The amplifier is a type that preceded the 741, the 709.
The LM100 integrated circuit is quite old, still of a metallic enclosure type. The circuit shown in...
Found in an Electronic Design from the 90s, this circuit makes use of components from the time. The...
This circuit is from an Italian magazine of 1983, but it can be assembled with the most modern...