This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of analog televisions of the time. The integrated circuit used is uncommon today.
In fact, what this circuit does is work the two channels of a stereo system producing two...
In this circuit found in the December 1972 Radio Electronics magazine. R can be from 1k to 22k,...
This stereo preamp uses only two germanium transistors. The circuit was found in old documentation using...