Rocket Espresso R Nine One:
Espresso Settings & Dial-In Guide
The Rocket Espresso R Nine One is a dual boiler espresso machine, designed for prosumer use. It features programmable pre-infusion, a 58mm portafilter, pressure profiling, flow control. With dual PID temperature control (85–98°C), you can fine-tune extraction temperature alongside grind size for precise dial-in. The adjustable OPV lets you fine-tune brew pressure beyond the factory setting. Allow 25+ minutes of warm-up time for temperature stability.
At a glance
Machine specifications
Recommended starting parameters
Starting recipe for Rocket Espresso R Nine One
Dose
17–21g
Ratio
1:1.8–1:2.5
Time
25–50s
These are starting points — adjust based on your beans, roast level, and taste preferences.
Known limitations
Very expensive — user likely experienced
Profiling requires practice to use well
Dial-in tips for the Rocket Espresso R Nine One
High-end dual boiler with full pressure profiling and flow control via Intuition paddle + pressure transducer.
Can recommend pressure profiles (declining, flat, stepped), pre-infusion, and flow restriction.
Very high temp stability.
Precise temp targets applicable.
With profiling: grind can be finer — slower flow managed by profile.
Dialing in on the Rocket Espresso R Nine One?
Grindset gives you machine-specific coaching — log your shots and get tailored adjustments for the R Nine One.
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Manufacturer
Rocket Espresso
Type
Dual Boiler
Use Case
Prosumer
Confidence
High