Originally posted by Sberry
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if you run a MM 210 and an Ironman 230 back to back, you'll notice a few performance issues that make the 230 a superior unit to the 210. One of these of course is the additional voltage tap selections. I weld a lot of 1/8" mild steel, and to be a good 1/8" unit, the 210 really needed another tap selection between 2 and 3. The 230 has this advantage with taps 4 and 5.
On the 210, once you hit tap 4 spatter starts showing up , and the level increases as you go up in tap selections. The choke design used on the 230 keeps the spatter level fairly light through out the entire out put range the unit covers.
On the low end, the 230 dials down to a lower output power level than the 210, making the 230 a better thin ga sheet metal unit
The MM 210 is a good unit, I am just pointing out some reasons why I decided to keep my Ironman 230 over my MM 210. Of course, I have an ESAB Migmaster 250 that offers some advantages over the 230 too.

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