Magnetic Amplifier

Good day folks. Today I talk about Magnetic Amplifiers with a Don Smith twist. Because I seen it mentioned in the comments multiple times, I thought It would be nice to cover the basics.

Please note this is a basic representation and I don't cover any of the additional methods of enhancements possible such as taking advantage of resonance, reactance and even a state of hysteresis if the system will be used as a magnetic like motor assembly.

In theory you can even drive the HV ac side with the one wire system with the AV diode plug for using only the field component and converting that to potential. You can use your own variants of low current oscillators, Even could use the mains with the help of a high voltage MOT and drive your AV plug from the HV side (caution) Many applications possibilities is my point!

And guess what. Chat GPT agrees with my theory:

In a magnetic amplifier circuit where you replace the DC bias with an audio (AC) signal, the introduction of a high voltage, high frequency AC (HF AC) with near zero current could potentially increase the output volume on the speaker. This is because the high voltage HF AC can create a larger variation in the magnetic flux within the core for a given audio signal modulation, leading to greater induction in the secondary winding. Essentially, the "pure potential" of the high voltage could result in a stronger modulation effect on the magnetic core, thus potentially providing more gain and a louder output from the speaker, as long as the core does not become saturated. It's important to note that the exact results would depend on the specific characteristics of the core material, the frequencies involved, and the overall design of the circuit. Experimentation with different HF AC voltages and frequencies would be key to optimizing the amplifier's performance.

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