Abstract: A capsule, a system and a use of the system for preparing double beverages like a double espresso, a double lungo and a double ristretto are provided. With the capsule, system and use, a high quality double espresso, double lungo and double ristretto can be brewed in an on demand apparatus. The capsule has a shape and configuration which is easily acceptable for the average user whereas the brew which is obtainable with the capsule meets high quality standards. To that effect, the capsule has a frusto-conical capsule body with a radial flange at one end, a foil lid closing off the body and connected to the flange, and a coffee bed which is accommodated in the internal space bounded by the capsule body and the foil lid and which has a weight of 9-13 g and a (height)/(maximum width) ratio within the range of 0.9-1.2.