MIG · inverter against transformer
Is a synergic inverter at €330 a better buy than a transformer machine with standard fittings at €505?
Both are 160 to 200 A MIG machines for a workshop bench. One spends its budget on electronics and control, the other on the parts you touch — the feed motor and the torch connector.
| Compared on | MIG/MAG 200 ST | Smartmig 162 |
|---|---|---|
| Maximum current | 200 A | 160 A |
| Wire feed | Fully synergic — feed follows current | Constant speed, 40 W feed motor |
| Inductance control | Continuously adjustable | Not published |
| Torch connector | Not stated in the listing | Euro central connector, detachable |
| Spool sizes | Not stated | Ø 100 and Ø 200 mm |
| Gasless capability | Yes, FLUX function | Not stated |
| Markets verified | All six | All six |
| Price | ≈ €330 | ≈ €505 |
A tick marks the better answer on that line only. Counting ticks does not decide the page — the two verdicts below do, because these machines answer different questions.
Buy the STAHLWERK if you want control now: synergic feed and adjustable inductance are what make thin sheet behave, and it costs €175 less.
Buy the GYS if you intend to keep the machine ten years. The Euro connector makes every torch, liner and tip a commodity part, and that is what fails first on a cheap machine.
It decides where your consumables come from. A Euro central connector is a European standard, so torches, liners, contact tips and nozzles are sold by dozens of suppliers. A proprietary or fixed torch ties you to one importer for as long as they carry the model — and that is a problem you discover in year three, not on day one.
The STAHLWERK, because of the adjustable inductance. Inductance smooths the current rise when the wire short-circuits into the pool, and on 0.8 mm sheet that is the difference between a quiet arc with little spatter and a crackling one you dress afterwards with a flap disc.
200 A · synergic · gas and gasless · €330
The synergic 200 A inverter that most German workshops end up with, and the cheapest machine here with a genuinely adjustable inductance.
Best for: A first serious MIG that will still be adequate after two years of use
≈ 330 €
160 A · 230 V single phase · Euro torch connector · €505
A French-built trolley machine with a Euro connector and a 40 W feed motor — bought for the feed quality rather than for its headline current.
Best for: Someone who intends to keep the machine ten years and wants standard consumables
≈ £690 / 505 €
Prices quoted in these summaries are dated readings. The live price is shown next to each product.
