This preamplifier circuit for turntable cartridges was found in the March 1994 issue of Electronics Now magazine. The circuit is suitable for magnetic cartridges.
Found in an Electronic Design from the 80s, this circuit generates a 500 Hz signal and can be used...
This circuit, which can generate voltages up to 25 V, was found in the December 1992 issue of...
Found in a 1980s publication for amateur radio, this circuit employs an MC1596G which is a...