This circuit is from 2005 documentation. The integrated amplifier circuit must be mounted on a good heat sink and the speaker must be able to withstand the full power of the circuit.
The thermistor used in this circuit must have a resistance at room temperature between 10 and...
This circuit is intend to be used with low impedance transducers like magnetic pick-ups for...
The interesting circuit shown in the figure can have its gain digitally controlled and have two...