CupClarity1Zpresso · Grinder · EARLIER MODEL
J-Max S
Espresso-oriented external adjustment with a folding handle.
Product image: 1Zpresso ↗
Published specifications.
- Power
- Hand-powered
- Burr
- 48 mm coated conical
- Adjustment
- External · 90 clicks / rotation
- Burr movement / click
- 8.8 µm
- Brew applications
- Espresso · Turkish · AeroPress · Moka pot · Drip / batch · Pour-over · Siphon · French press
Check the exact model and included parts with the linked manufacturer. Regional versions and replacement burrs can change the specification.
What changes in daily use.
Why shortlist it
- Hand-powered operation for a compact, unplugged setup.
- External · 90 clicks / rotation adjustment.
- Published adjustment movement: 8.8 µm.
The trade-off
Use J-Max notation, not the 100-click J-Ultra scale.
Before you buy or brew
- Use J-Max notation, not the 100-click J-Ultra scale.
- Use the exact model and burr revision when reading a grind chart.
- Check the dose fits the chamber and that hand grinding suits your routine.
Grind settings by brew method.
Use these as starting references for this exact model. Settings from a maker’s recipe retain that recipe’s dose and batch context.
| Brew method | Starting reference |
|---|---|
| Espresso | 90–150 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| Pour-over | 240–300 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| AeroPress | 180–240 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| Chemex | No verified setting for this model |
| Moka pot | 180–240 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| French press | 360–400 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| Cold brew | No verified setting for this model |
| Drip / batch | 180–240 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| Siphon | 240–300 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| Turkish | 70–110 clicksMaker reference ↗J-Max family maker chart for the 90-click-per-rotation mechanism; S denotes the folding handle. Values are total clicks from reference zero, not J-Ultra rotations. |
| Cold drip | No verified setting for this model |
| Percolator | No verified setting for this model |
| Cuccumella | No verified setting for this model |
| Kaapi filter | No verified setting for this model |
| Jebena | No verified setting for this model |
| Chorreador | No verified setting for this model |
| Dallah | No verified setting for this model |
| Vietnamese phin | No verified setting for this model |
“No verified setting” does not by itself mean a method is impossible. It means we have not established a published value for the exact model. Do not interpret burr movement in microns as coffee particle size.