Adams Idea a3 OS vs Adams Idea Tech a4OS
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | Idea a3 OS loft | Idea Tech a4OS loft | Idea a3 OS lie | Idea Tech a4OS lie | Idea a3 OS length | Idea Tech a4OS length |
|---|---|---|---|---|---|---|
| 3H | 19 | 19 | 59.25 | 59.25 | 40.5 | 40.5 |
| 4H | 22 | 22 | 60 | 60 | 39.75 | 39.75 |
| 5H | 25 | 25 | 60.75 | 61 | 39 | 39 |
| 6 | 28 | 28 | 61.25 | 61.5 | 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 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- Idea a3 OS
- Idea Tech a4OS
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.
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.
The Idea a3 OS is listed as investment cast and the Idea Tech a4OS as 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 Tech a4OS arrived 1 year after the Idea a3 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.
Which should you choose?
The Idea a3 OS and Idea Tech a4OS 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 Tech a4OS specs.
Frequently asked questions
Is the Adams Idea a3 OS stronger lofted than the Idea Tech a4OS?
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 Tech a4OS?
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 Tech a4OS 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 Tech a4OS 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 Tech a4OS 62.25° and 37.5 inches. Both can be bent or built to your own fit.
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