As soon as the License SL is installed, Blofeld has about 60MB of sample memory. We recommend to load one of the factory samples into your Blofeld. These can be found in the Download section, which is available via the Home link in the upper right corner of this page.
The file format for own samples is .wav 44.1kHz 16bit mono. The Loop points and the root key need to be written into the meta header of the file with a compatible audio editor.