Amplifier with different output (CB9057E)

This circuit was found in a 70s National Semiconductor manual. It has a different output way for coupling to the speaker.

INA3221 Current Monitor and Voltage (COM041E)
Mouser Electronics is offering the new INA3221 integrated circuit consisting of an amplifier for...
800 W triac control (CB20710E)
Found in documentation from the 1970s, this circuit for resistive loads uses a trigger...
Christmas Light Effect (CB17056E)
We found this circuit in a 1995 documentation. It drives 4 sets of colored incandescent lamps that...