This circuit was featured in the March 1972 issue of Radio Electronics magazine. It adds automatic gain control to turntables by acting directly on the cartridge signal.
This circuit is ideal for recovering vinyl media with a linear response from the RIAA curve of the...
The purpose of this circuit found in the September 1977 issue of Radio Electronics magazine is to...
We found this circuit in the July 1990 issue of Radio Electronics magazine. The frequencies are...