Adams Idea a2 vs Adams Idea a2 OS
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | Idea a2 loft | Idea a2 OS loft | Idea a2 lie | Idea a2 OS lie | Idea a2 length | Idea a2 OS length |
|---|---|---|---|---|---|---|
| 5 | 26 | 26 | 60.75 | 60.75 | 38.5 | 39 |
| 6 | 29 | 29 | 61.25 | 61.25 | 37.875 | 38.25 |
| 7 | 33 | 33 | 62 | 62 | 37.25 | 37.5 |
| 8 | 37 | 36 | 62.75 | 62.5 | 36.625 | 36.75 |
| 9 | 41 | 40 | 63.25 | 63.25 | 36 | 36 |
| PW | 45 | 44 | 63.5 | 63.5 | 35.75 | 35.75 |
| GW | 50 | 49.5 | 63.5 | 63.5 | 35.5 | 35.5 |
| SW | 55 | 55 | 63.5 | 63.5 | 35.5 | 35.5 |
| LW | 60 | 60 | 63.5 | 63.5 | 35.5 | 35.5 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- Idea a2
- Idea a2 OS
What the differences mean
At the 7-iron, the Idea a2 is 33° and the Idea a2 OS is 33°, identical at the club most golfers compare on, although other clubs in the sets differ. Across the 9 clubs both sets share, the Idea a2 OS averages 0.4° stronger, with the largest gap at the 8-iron (37° vs 36°). The pitching wedges are 45° and 44°; the stronger one leaves a 6° jump to a 50° gap wedge, which matters when planning wedge gapping. Beyond loft, the Idea a2 OS 7-iron is 0.25 inches longer (37.25" vs 37.5").
The Idea a2 is a game improvement iron and the Idea a2 OS a super game improvement iron, so they sit one step apart on the forgiveness scale. The Idea a2 OS is the more forgiving design, with a wider sole, more offset and more perimeter weighting for high handicaps, beginners and slower swing speeds. The Idea a2 trades some of that for a more compact head, thinner topline and more control over flight and shape, which suits roughly 10 to 25 handicaps.
Both heads are listed as investment cast. The Idea a2's hollow body lets the face flex more and moves mass low and outward, usually giving higher launch and more ball speed on off-centre strikes than the Idea a2 OS, at some cost in feel.
Both sets were introduced in 2005, so this is a choice between two models from the same lineup rather than an upgrade: Adams designed them to sit side by side for different players.
Which should you choose?
The Idea a2 OS is the stronger-lofted set — up to 1° stronger than the Idea a2 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 specs and Adams Idea a2 OS specs.
Frequently asked questions
Is the Adams Idea a2 stronger lofted than the Idea a2 OS?
Not at the 7-iron, where both are 33°. Other clubs in the sets differ, so compare the full table above.
What is the loft difference between the Adams Idea a2 and Idea a2 OS?
At the 7-iron the difference is 0° (33° vs 33°). The largest gap on a shared club is 1° at the 8-iron, and 4 of the 9 shared clubs differ.
Which is better for higher handicap golfers, the Adams Idea a2 or the Idea a2 OS?
The Idea a2 OS. As a super game improvement iron it is the more forgiving design, suited to high handicaps, beginners and slower swing speeds. The Adams Idea a2 is a game improvement iron, better suited to roughly 10 to 25 handicaps.
Do the Adams Idea a2 and Idea a2 OS have the same lie and length?
Not exactly. At the 7-iron the Adams Idea a2 is 62° lie and 37.25 inches, the Idea a2 OS 62° and 37.5 inches. Both can be bent or built to your own fit.
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