This control for bass, midrange, and treble was found in the March 1995 issue of Electronics Now magazine. The circuit requires a dual power supply.
This circuit is from an 80's Radio Electronics. The circuit has several output options for 50 mA...
This Linear Technology cold cathode fluorescent circuit operates on power from 4.5 V. The...
This simple circuit was found in the November 1992 issue of Radio Electronics magazine. It...