Audio Circuits: Stereo Circuits

2 watt stereo amp:

20 Watt / Channel Stereo Power Amplifier:

FM stereo decoder:

Improved FM Stereo Modulator:

LM 1800 FM Stereo Decoder:

Stereo Amplifier 22 Watts :

Stereo Synthesizer: different frequency ranges appear at the two outputs, depending on the setting of the controls and create a stereo effect