Homemade magnetic amplifiers made from common materials. (car electronics audio)
More info is available at www.sparkbangbuzz.com Homemade magnetic amplifiers can be made from common transformers and toroids. This video shows the control of a car headlight using a potentiometer and a magnetic amplifier made from normal 12 volt transformers. This video also shows an audio magnetic amplifier, made from junk box toroids, being used to [...]