0.5°C
Temperature precision
63mm
Flat burr diameter
6 hrs
Insulation retention
47
Grind settings
The Collection
Three tools. Every brew.
Our Philosophy
Repeatability is
the foundation
of mastery.
Every variable we've removed from your brew process is a variable you can stop thinking about — and one more dimension of flavour you can start exploring intentionally.
Volta equipment is manufactured to tolerances typically reserved for laboratory instruments. We think the cup deserves nothing less.
Temperature Hold
Maintain target temp indefinitely — no cycling, no guessing.
Zero Retention
Every gram ground is every gram brewed. Nothing stays behind.
Marine Grade Steel
316L stainless — corrosion-proof even in coastal humidity.
Machined Tolerances
Burrs and fittings aligned to within ±0.02mm across every unit.
"The Arkwright removed the last excuse I had for inconsistent extraction. I’ve been chasing that 1.7% variance for two years."
Mirela Stankov
Head Roaster, Meridian Coffee
"I've owned kettles with temperature control before. None held temp like the Volta One — not one degree of drift over forty minutes."
Yusuf Ondari
Barista Champion, 2024
"The Vault keeps my brews table-ready for every guest without any compromise in flavour. That's not marketing — it's just physics done right."
Saoirse Falvey
Café Owner, Cork