A low cost pulsed AC/DC TIG for a hobbyist on a tight budget who already owns a pedal and regulator.
Amazon $449.98
A step up in power from the 203Xi for welders who work thicker aluminum. Best for a fixed garage bench.
- 225 AOutput
- 35% at 225 ADuty cycle
- AC/DC TIG, stickProcesses
- 120 V and 240 VInput
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- 225 A on 240 V handles 1/4 in aluminum in one pass
- Pedal and a full size 26 series torch come in the box
- Still runs on 120 V at up to 150 A
- Holds 200 A at a 60% duty cycle for long welds
- At 50 lb it is a shop machine, not one to carry around
- Only 35% duty cycle at its full 225 A
- The maker store sells it as a preorder for now
The AHP AlphaTIG family
Every AHP AlphaTIG model we rank, smallest first. Ratings compare each against its own process.
| Model | Output | Rating | Price |
|---|---|---|---|
| AHP AlphaTIG 203Xi | 200 A | 4.2/5 | $670 |
| AHP AlphaTIG 225Xi (this one) | 225 A | 3.8/5 | $695 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its process. How we rank explains each one.
Specifications
| Model number | AlphaTIG 225Xi |
|---|---|
| Output | |
| Processes | AC/DC TIG, stick |
| Maximum output | 225 A |
| Maximum on 120 V | 150 A |
| Duty cycle | 35% at 225 A |
| Input | 120 V and 240 V |
| Features | |
| Pulse | Yes |
| Foot pedal in the box | Yes |
| TIG torch in the box | Yes |
| Weight | 50 lb |
| Warranty | 3 years |
Alternatives in this process
A well equipped AC/DC TIG for a home shop that wants aluminum on a budget and a long warranty. Buy it from the maker store, where it costs far less.
Amazon $899.99 ArcCaptain $649.99A complete AC/DC TIG kit for a home shop that wants everything in one box. Choose the bundle by torch size.
Amazon $799.99Compare
Compare the AHP AlphaTIG 225Xi with any other TIG or stick welder →
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