This circuit was found in an English operational documentation from 1970. The circuit can be implemented with modern operational amplifiers.
In the bridged configuration the TDA2002 amplifier can supply 30 W of power at a load of 4 ohms...
This circuit is from an 80's component manual. The components are from the time, but the circuit...
This circuit was published in a 1979 magazine, but it can still be easily assembled, as the...