Originally Posted by germantown rob

Espresso is a brew method not a roast or a bean. What makes a brew an espresso is the pressure that the water is pushed through the grind. You can pull a shot with city roast or burnt beans all depends on what you like. Not every bean will work for brewing as espresso but most espresso blends could be used for other brew methods. SO espresso shots are fantastic!

FC is just before 2nd crack, FC+ is first audible cracks of 2nd, Vienna is the start of rolling 2nd crack.