This low power bass booster is from the 1977 National Semiconductor Audio Handbook. The circuit is powered by 6 to 9 V voltages and the feedback determines the enhanced bass range.
This circuit consists of a traditional amplifier version with complementary output using BD series...
This simple pass-through circuit was obtained in an old documentation, but it is still up to date...
This circuit of old American documentation (1965) can be applied to any transistor. | Clique na...