We have used the modbar in Ghost Alley Espresso since November 2014. It has completely changed the way we make espresso. The machine allows us to mimic any espresso machine in the world with its unique pressure profiling. Over the summer we pulled a single origin Brazilian bean with a very simple profile; 8 seconds of pre-infusion, 26 seconds for the pull. Now we are back to using a full city roast and the machine is set to pull like a Piston Lever machine. The modbar allows us to extract each different roast in a custom way.
We have also noticed a big change in customer interaction. Our customers can see their drinks prepared which encourages conversation and education. Putting in the modbar was one of the best decisions for my shop. This article at eater.com discusses how the machine was designed and showcases the inventors. www.eater.com