This small tube amplifier appeared in Radio Electronics magazine in February 1958. The circuit is powered by the mains with a power transformer and output with different impedances.
Suitable for operation with high impedance microphones, this circuit was found in American...
Found in a 1969’s documentation, this circuit can supply currents from 100 to 120 mA at loads of...
The MC1436 can also be used on this circuit found in Motorola's 1993 Linear Interface ICs. The...