These basic bass controls were obtained from an article in Electronics Now magazine in February 1995. They are basic passive circuits in (a) basic tone, (b) boost, (c) cut, and (d) flat response.
This circuit causes an LED to flash at intervals determined by C1 and R2 and for a duration given...
This 4-transistor amplifier can work from 4.5 or 6 V power supplies. We found it in a Mullard...
The purpose of this 2002 circuit is to monitor the functioning of ordinary incandescent lamps. These...