1Zpresso J-Max for Siphon
The showpiece. A vacuum brewer that looks like lab glassware and brews like theatre — water climbs, coffee steeps, and the finished cup is pulled back down as it cools. Clean, aromatic and a genuine spectacle.
1Zpresso J-Max's setting
- Clicks
- 57-80
- Grind size
- 500–700 µm
- Grind descriptor
- Medium
These settings are consensus values computed from 1 independent sources (manufacturer manuals, reference charts and our micron model), monitored daily for changes.
About Siphon
Full guide →The showpiece. A vacuum brewer that looks like lab glassware and brews like theatre — water climbs, coffee steeps, and the finished cup is pulled back down as it cools. Clean, aromatic and a genuine spectacle.