But conversely, if a used Akai S3000xl can be had for 120 UKP on eBay UK and a Doepfer A-100 LC1 48 hp cab alone costs 119 EUR, I'm not sure of why you'd go through with having just the ONE in a rack, even as a starter module. The Akai already has the signal level situation sorted, no issues with powering, deals with MIDI just fine, and does what the ONE does as well as quite a bit more. It sounds more to me like you'd be better off waiting until you can build up a system that's a lot more sonically open-ended in Eurorack, rather than just going with this single function which can be accomplished better and more self-contained in an easily-obtainable and inexpensive used rackmount sampler unit. Not saying 'don't' here, but just pointing out that there's other solutions outside of the modular synth box that you might find quite suitable.