Amplified diode radio (CB22039E)

This circuit was obtained from English documentation on FETs. The JFET can be any general purpose and high impedance headphone.

2.8 W Stereo Amplifier (CB12553E)
The amplifier shown in figure 2 is based on the MAX9715 integrated circuit from Maxim...
Source Follower (CB6153E)
This stage for JFETs was found in a 1965 US publication, but is valid for modern components. |...
15 W Stereo Amplifier (CB18504E)
This circuit was found in a Japanese publication from 1971. The circuit uses components from the...