ECM Synchronika Semi-Automatic espresso machine
Semi-Automatic
~$3,599

ECM

ECM Synchronika

The frequently-cited "endgame" prosumer dual boiler. Hand-built in Germany with stainless steel construction, dual PIDs, and an optional flow control device for advanced extraction profiling. The current version is the Synchronika II, with a much faster ~6.5-minute warm-up. Now sold as the Synchronika II (same price) with an OLED PID display, faster-heating E61 group, and auto on/off scheduling.

Approx. price
~$3,599
Boiler
Dual Boiler
Pressure
9 bar
Best For
Enthusiasts
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Specifications

Dimensions
13.2 x 19.3 x 16.1 in
Weight
66 lbs
Water Tank
100 oz
Warranty
3 years
Grinder
Not included
Warm-Up Time
6.5 minutes
Steam Wand
Manual
Basket Type
Unpressurized

Features

Steam WandDual BoilerPID ControlPre-InfusionE61 Group HeadFlow Control Paddle

Pros

  • ✓Exceptional build quality
  • ✓Dual PID with shot timer
  • ✓Plumbable or tank
  • ✓Quiet operation
  • ✓Holds value extremely well

Cons

  • ✗Very expensive
  • ✗Heavy footprint
  • ✗Flow control sold separately
  • ✗Massive 19-inch-deep footprint

What the Community Says(1,506 discussions)

The Synchronika is the machine people describe as heirloom-grade, and they mean it fairly literally — a German-built E61 dual boiler with the kind of construction that owners expect to be running in fifteen or twenty years. Its defining quality is capacity rather than cleverness: owners describe an essentially infinite well of steaming and shot-pulling ability, enough that you could host a large party or run a small café and the machine would not notice. That endurance is what separates it from domestic-scale dual boilers that start drifting after five milk drinks. The current version is also far more configurable than its reputation suggests, with programmable pre-infusion, independent control of both boilers, group-head temperature offset, cleaning and filling programs, and daily on-off scheduling.

The substantive criticism is worth taking seriously if you brew light roasts. In its standard configuration the Synchronika delivers flat nine-bar extraction, and one owner's honest assessment is that it is not especially good with light modern coffees unless you are plumbed in and can use line pressure for pre-infusion. Flow control is available as an option on the current version, which resolves this directly — and it is the reason several owners weighing machines at this level say that if they were buying today they would choose the ECM over pricier rivals, since it costs meaningfully less than some competitors while offering flow control that they do not. The other pleasant surprise is heat-up: owners report it being unusually quick for an E61 machine, to the point that some routinely switch the steam boiler off and still find it ready promptly. Build quality draws comparisons favourable to Lelit. On the negative side, a machine arriving dead on delivery is a brutal experience at this price given freight times, so buying from a dealer who will handle a replacement matters more than saving a small amount on the purchase.


At $3,599 the Synchronika's competition is the small group of machines people consider permanent. Against a La Marzocco Linea Mini, owners who have both — or who chose the La Marzocco for aesthetic reasons — say frankly that the coffee is not better and that they would have been content with the ECM. Against a Lelit Bianca, the two are closely matched on build and the decision usually comes down to whether you want flow control standard or optional, and E61 versus E61 with a paddle. Against a Profitec Pro 600 or its successor, owners point out the ECM can be around a thousand dollars cheaper with flow control available. And there is a dissenting view worth acknowledging: some owners have stopped chasing profiling entirely, reporting that after years of tinkering with flow and pressure they never saw much difference in the cup and simply wanted reliably good espresso with minimal thought. If that is you, the Synchronika in its standard form is exactly that machine.

Common Questions about the ECM Synchronika

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~$1,699
Semi-Automatic

One of the smallest machines anywhere with both an E61 group and PID: a German-built single boiler whose Fast Heat Up cycle overheats the 0.75L stainless boiler to reach brew temperature in about 10 minutes, with a live shot timer.

E61 + PID in 10 Inches10-Minute Fast Heat-UpGerman Build Quality
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Best for: Enthusiasts
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Full Pressure & Flow ProfilingReal-Time Shot GraphsCommercially Certified
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discontinued

Rocket Espresso

Rocket R58

Rocket's flagship dual boiler with rotary pump, plumb-in capability, and Italian craftsmanship. Polished stainless body, dual PID, and the E61 group head that defines prosumer espresso. The current version sells as the R58 Cinquantotto with a detachable touchscreen PID controller.

Rotary PumpPlumb-In ReadyItalian Built
Dual Boiler20 minutes heat upManual steam
Best for: Enthusiasts
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E61 Dual BoilerFlow Control StandardPlumbable Rotary Pump
Dual Boiler11 minutes heat upManual steam
Best for: Prosumers
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Rocket Espresso

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The latest evolution of Rocket's flagship dual boiler, succeeding the R58 Cinquantotto. TUNE technology builds a fixed 3-bar pre-infusion and end-of-shot pressure ramp-down into programmable three-stage profiles to fight channeling and overextraction, while a magnetic touchscreen Communication Pod on the top left sets both PID-controlled boilers. A heated fast-warming E61 group has it ready in about 15 minutes, and the self-priming rotary pump runs from the tank or plumbed in.

TUNE Pressure ProfilingTouchscreen PodRotary Pump
Dual Boiler15 minutes heat upManual steam
Best for: Enthusiasts
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Semi-Automatic

The machine that popularized flow control for home espresso. Dual boiler with E61 group head and a paddle that lets you manually control flow rate during extraction for pressure profiling.

Flow Control PaddlePressure ProfilingE61 Group Head
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Best for: Purists