Izzo Alex Duetto IV:
Espresso Settings & Dial-In Guide
The Izzo Alex Duetto IV is a dual boiler espresso machine, designed for prosumer use. It features e61 solenoid (passive) pre-infusion, a 58mm portafilter. With dual PID temperature control (88–98°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 Izzo Alex Duetto IV
Dose
17–21g
Ratio
1:1.8–1:2.5
Time
25–35s
These are starting points — adjust based on your beans, roast level, and taste preferences.
Dial-in tips for the Izzo Alex Duetto IV
Dual boiler, dual PID, E61 group, pressure gauge.
Precise temp targets applicable.
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Manufacturer
Izzo
Type
Dual Boiler
Use Case
Prosumer
Confidence
Medium