This 1950s audio amplifier uses output tubes of type 1625 in its output stage. The Class B circuit provides a few watts of power and uses transformers that are not readily available today.
July 2017 - The new touch switches from Alps SKPS series for surface mounting can now be purchased from...
We found this circuit in the November 1992 Radio Electronics magazine. It works with both...
This circuit allows fluorescent lamps to be powered up to 40 W from 12 V car batteries. The...