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.
September 2016 - can be purchased from Mouser Electronics the new transceivers MAX348x and MAX349x from...
The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by...
This amplifier is from a 1973’s Japanese magazine. The transistors are of the time and the power...