This circuit has a gain of 6 dB for low frequencies from 85 Hz and can be used in a mini subwoofer. The circuit is from a Radio Electronics from March 1990.
We found this circuit in an old Radio Electronics. The transistors can be the BC548. The circuit...
This simple radio uses few components due the direct coupling of the transistors. Coil is formed...
This circuit has a high input impedance and low output impedance, serving as an adapter for...