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 amplifier was found in a 1969 Mullard documentation. The circuit uses transistors that have as...
We found this oscillator in an English documentation from 1977. The symmetrical supply, in fact,...
An input pulse produces a damped oscillation at the output of this circuit seen elsewhere on this...