The Arturia Drumbrute is an all analog drum machine. All the sounds are synthesized, the audio path is strictly analog, the sequencer has some funky tricks and all in all it's a very fun machine.
The sounds are similar to some vintage units but it is not an emulation of any of the Roland classics. There's two different Kick Drum voices on the machine, and you can get some pretty weird and unique sounding bass drum tones out of it.
I've recorded some samples through an array of hardware processors in my 500 series rack: there's some distortion from an Elysia Karacter and a DiyRe Colour Palette, some sculpting from the Elysia X-Filter and Xpressor and some added punch from a DBX 510 Subharmonic Generator.
Here's a short demo of some of the sounds