AC Waveforms and Advanced AC Pulse Tig - Miller Dynasty 280 and Everlast 255ext

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Some newer model Tig inverters have different AC Waveforms that are supposed to affect bead profile and penetration. The current waveforms are advanced square wave, soft square wave, sine wave, and triangle wave.
They all have slightly different looks, sounds and characteristics.
Some waveforms are supposed to be better for thin metals, others for thicker metals.
There is another advanced feature on a very few tig inverters and it is called advanced AC pulse.
Advanced AC pulse is when the current is alternated between DCEN and AC.

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