looking for an "all in one" unit.

Tiggerfc...first of all, the OP did not list a budget so I am not sure why you are voicing your opinion about how much the RZ-1 costs. Also, if you were to try to piece together a system comprised of separates that accomplished all the things that the RZ-1 does (integrated amp, CD/SACD player, DAC, and phono stage), you can easily go above it's retail of $6K without blinking an eye. So thank you Tiggerfc for your concern for the OP's wallet but why don't we let him decide what is good value and what is not. Why don't you spend your time being a bit more helpful to the OP and chip in a suggestion yourself for him to consider. I am sure you have not even heard the RZ-1, so how you are in a position to make a value judgement about it's price/performance is beyond me.

but are there any other manus
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What's a manus?

What's a manus?

I believe the OP was abbreviating: manus = manufacturers. So he was asking if there are other manufacturers that produce "all-in-one" units other than NAD which he is aware of.

Naim uniti its a bit pricey but it sounded awesome when a heard it on some cheap paradigm standmounts. I think it ticks all the boxes and is ready to go for computer audio as well. Not sure about all the specs but I think you should check it out.

I ditto Tobias on Shanlings' MC 30 all in one unit above. I actually responded a little earlier in this thread but erroneously called it a Jolida instead of a Shanling. I have one, a Shanling MC 30, and it is an extraordinary unit for the $1000 list and the $~ $500 preowned here on audigon. It is about 1 watt per side SET but with the appropriate speakers you can have a little bit of SET heaven.