This amplifier for playback of recordings was found in a 1947 manual. It uses a push-pull output with a tube power supply.
In fact, the original American publication exaggerated a little about the range that a good...
We found this circuit in an American documentation from the 90s. Through an LED it indicates the...
August 2017 - Mouser Electronics is announcing the availability of TDK ICS-52000 microphones with...