Adams Idea a2 OS vs Adams Idea a3 OS
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | Idea a2 OS loft | Idea a3 OS loft | Idea a2 OS lie | Idea a3 OS lie | Idea a2 OS length | Idea a3 OS length |
|---|---|---|---|---|---|---|
| 3H | — | 19 | — | 59.25 | — | 40.5 |
| 4H | — | 22 | — | 60 | — | 39.75 |
| 5H | — | 25 | — | 60.75 | — | 39 |
| 5 | 26 | — | 60.75 | — | 39 | — |
| 6 | 29 | 28 | 61.25 | 61.25 | 38.25 | 38.25 |
| 7 | 33 | 32 | 62 | 61.75 | 37.5 | 37.5 |
| 8 | 36 | 36 | 62.5 | 62.5 | 36.75 | 36.75 |
| 9 | 40 | 40 | 63.25 | 63.25 | 36 | 36 |
| PW | 44 | 44 | 63.5 | 63.5 | 35.75 | 35.75 |
| GW | 49.5 | — | 63.5 | — | 35.5 | — |
| SW | 55 | — | 63.5 | — | 35.5 | — |
| LW | 60 | — | 63.5 | — | 35.5 | — |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- Idea a2 OS
- Idea a3 OS
What the differences mean
At the 7-iron, the Idea a2 OS is 33° and the Idea a3 OS is 32°, a 1° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the Idea a3 OS should carry roughly 3 to 4 yards further with that club, on a slightly lower, shallower flight than the Idea a2 OS. Across the 5 clubs both sets share, the Idea a3 OS averages 0.4° stronger, with the largest gap at the 6-iron (29° vs 28°). Beyond loft, the Idea a3 OS 7-iron sits 0.2° flatter (62° vs 61.75°), which nudges start direction slightly right for a right-hander.
The sets are built differently: the Idea a2 OS runs 5-iron to LW (9 clubs), the Idea a3 OS 3H to PW (8 clubs).
Both are super game improvement irons, built for high handicaps, beginners and slower swing speeds. The most forgiving category — very wide soles, maximum perimeter weighting and the strongest lofts. Because they target the same golfer, the decision comes down to the specific loft, feel and shaping differences rather than who the sets are made for.
Both heads are listed as investment cast. With the build method this similar, differences in feel come down to head size, sole width, topline and offset rather than how the heads are made.
The Idea a3 OS arrived 2 years after the Idea a2 OS, a typical one-generation refresh. Changes over that span are usually incremental: refined face thickness, revised weighting, updated looks and small loft tweaks rather than a new concept. Here the 7-iron loft moved from 33° to 32°.
Which should you choose?
The Idea a3 OS is the stronger-lofted set — up to 1° stronger than the Idea a2 OS on matching clubs. Expect longer carry per numbered iron but a flatter descent angle; gapping at the wedge end is where that shows up.
Both charts are reproduced in full on their own pages: Adams Idea a2 OS specs and Adams Idea a3 OS specs.
Frequently asked questions
Is the Adams Idea a2 OS stronger lofted than the Idea a3 OS?
No. The Idea a3 OS is the stronger-lofted set: its 7-iron is 32° against 33° for the Adams Idea a2 OS, 1° stronger and worth roughly 3 to 4 yards of extra carry.
What is the loft difference between the Adams Idea a2 OS and Idea a3 OS?
At the 7-iron the difference is 1° (33° vs 32°). The largest gap on a shared club is 1° at the 6-iron, and 2 of the 5 shared clubs differ.
Are the Adams Idea a2 OS and Idea a3 OS aimed at the same golfer?
Yes. Both are super game improvement irons, built for high handicaps, beginners and slower swing speeds. Choose on feel, looks and gapping, ideally after hitting both.
Do the Adams Idea a2 OS and Idea a3 OS have the same lie and length?
Not exactly. At the 7-iron the Adams Idea a2 OS is 62° lie and 37.5 inches, the Idea a3 OS 61.75° and 37.5 inches. Both can be bent or built to your own fit.
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