This circuit was fond in an old publication of the years 1950. The transistors are germanium types and equalization is RIAA.
This circuit is for cars with old contact breaker and a 6 V battery. The circuit is from a Radio...
This volume compressor uses unusual components today. The circuit was found in documentation from...
This Intersil circuit was found in a 1980s documentation. Operational are of the time, but current...