Monarch Espresso — Fellow Series 1 Profile

Onyx Coffee Lab · Espresso · Fellow Espresso Series 1

18 g → 45 g · 1 : 2.5 · 93 °C · 0:30 total

Fellow's machine adaptation of Onyx's Monarch espresso for the Espresso Series 1: 18 g in, 45 g out in 30 seconds, with a 4-second pre-infusion.

1. Series 1 profile: 4-second pre-infusion at 3 bar (4.5 ml/s fill), then 21 seconds of infusion at 9 bar. Smooth transition, declining temperature off.

Transcribed from Fellow brew.link profile — Onyx Monarch (Espresso Series 1) on 2026-07-24