Adams Idea a3 OS vs Adams Idea a7 OS
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | Idea a3 OS loft | Idea a7 OS loft | Idea a3 OS lie | Idea a7 OS lie | Idea a3 OS length | Idea a7 OS length |
|---|---|---|---|---|---|---|
| 3H | 19 | — | 59.25 | — | 40.5 | — |
| 4H | 22 | — | 60 | — | 39.75 | — |
| 5H | 25 | — | 60.75 | — | 39 | — |
| 6 | 28 | 28 | 61.25 | 61.25 | 38.25 | 38.25 |
| 7 | 32 | 32 | 61.75 | 62.25 | 37.5 | 37.5 |
| 8 | 36 | 36 | 62.5 | 63 | 36.75 | 36.75 |
| 9 | 40 | 40 | 63.25 | 63.75 | 36 | 36 |
| PW | 44 | 44 | 63.5 | 64 | 35.75 | 35.75 |
| GW | — | 49.5 | — | 64 | — | 35.5 |
| SW | — | 54.5 | — | 64 | — | 35.5 |
| LW | — | 59 | — | 64 | — | 35.25 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- Idea a3 OS
- Idea a7 OS
What the differences mean
Every club the two sets share has exactly the same loft, starting with a 32° 7-iron. On paper there is no distance or trajectory difference: with the same swing, a 7-iron from either set should launch and carry about the same. The real differences are in how the heads are built, how they look at address and how they feel at impact, none of which a spec table can show.
The sets are built differently: the Idea a3 OS runs 3H to PW (8 clubs), the Idea a7 OS 6-iron to LW (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. The Idea a7 OS'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 a3 OS, at some cost in feel.
The Idea a7 OS came out 2 years after the Idea a3 OS, but it is a different line rather than a direct replacement, so the two were designed for different golfers as well as different seasons.
Which should you choose?
The Idea a3 OS and Idea a7 OS share the same lofts on every club on file, so the difference is in head construction, feel and forgiveness rather than trajectory.
Both charts are reproduced in full on their own pages: Adams Idea a3 OS specs and Adams Idea a7 OS specs.
Frequently asked questions
Is the Adams Idea a3 OS stronger lofted than the Idea a7 OS?
No. Both have a 32° 7-iron and the same loft on every club they share, so neither is stronger lofted. The difference is in construction and feel.
What is the loft difference between the Adams Idea a3 OS and Idea a7 OS?
There is none. Every club both sets include has the same loft, including the 32° 7-iron.
Are the Adams Idea a3 OS and Idea a7 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 a3 OS and Idea a7 OS have the same lie and length?
Not exactly. At the 7-iron the Adams Idea a3 OS is 61.75° lie and 37.5 inches, the Idea a7 OS 62.25° and 37.5 inches. Both can be bent or built to your own fit.
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