Analog machines, including the OB-6 and TEO-5, also require a 10-15 minutes warm-up phase before you can play them - otherwise you might run into tuning issues.
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Thatās what the tuning tables are for on a lot of of Sequential Synths.
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yes, this. always. and sometimes even longer (looking at you, vintage Model D).
Unless things have changed, pressing HOLD, PORTAMENTO, and 3 (all simultaneously) should show you the temperature in Celsius. Looking back at the log of temperatures when I was populating the tuning table, they were mostly in the 30s and 40s.
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I have contacted Sequential and they had me clear the Internal Temperature and Calibration Tables, which helped a bit. Itās pretty well documented on the Sequential forums.
Hereās one if anyone ever needs help: Tuning
My Prophet 6 is airtight, but the Ob6 is temperamental. In one of the Superbooth interviews, the Sequential reps even said they used the Take5 oscs for better tuning stability.
But in a way, it makes my ob6 feel more like a vintage Oberheim! Perfect imperfections.
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Oh weird, sorry to hear that - have you also done the pitch bend calibration?
Hereās a demo video with custom presets and a focus on Melodic & Dub Techno, Ambient, Electronica and IDM
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I can only read 30% of Sound on Soundās review of the TEO-5 because itās still paywalled, but in the part I can see, Gordon Reid reveals that the VCAs are digital also. Thereās no way to get a fully-analog signal path.
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That was also the case with the Take-5, so was always likely here.
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a digital voltage controller amplifier? would that not be a DCA?
I think digital control vs analog control is much harder to hear, if even possible. But in this case the analog signal from the VCF goes through an A/D converter before the VCA and effects.
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I feel like Iām pretty snobby about these things and all things being equal would prefer a fully analog signal path as an option (if only to know that itās not going through multiple conversions whilst recording) but I canāt say Iāve ever listened to a Take-5, TEO-5 or Prologue demo and thought āYou know, this thing would sound good if it wasnāt for that damned digital amplifier!ā 
If they feel they have to constrain the sound a bit to avoid clipping that digital section I imagine that might more of an issue on the Take-5, since its filter can self-oscillate? I know there have been comments about the Take-5ās oscillators sounding a bit band-limited which doesnāt seem to be the case on the TEO-5 but I donāt know if the output stage was part of the equation there.
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Demos go through so much post-processing before they reach our ears. But even face to face with a unit, I doubt I can tell the difference. It just surprised me, but hearing some of the history, it makes more sense. Could be a sound or power/heat issue, could be cost savings of some sort. I have to trust that Tom Oberheim knows what he is doing.
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For sure, but often with synths Iāll find something in the sound nagging at me thatās consistent across demos by various people, going through various recording processes. Digital āglareā especially tends to stick out to me.
I canāt say Iāve heard much from the Take-5 that doesnāt sound super pleasing though so Iām guessing the TEO-5 will be the same 
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I received my TEO 5 last week and I am digging it. It sounds great, is fun to use, and is easy to get lost tweaking patches. The Oberheim SEM State Variable is one of my all-time favorite filters, and it sounds really nice here. Itās got that character and sizzle. The colors and design look great in person as well.
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@HoldMyBeer Where did you order if I might ask? are you perhaps based in europe?
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Oh, nice addition @HoldMyBeer!
Howās that Through-Zero FM thing?
Iām wishing for a Desktop version.
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I preordered when it was announced, I think 2-3 months ago from a retailer in the US.
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Yeah, I think people would like desktop versions of the 5 series synths.
I havenāt messed with the FM much, but Iāve always wanted to go thru zero. I need to see whatās on the other side! 
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As desirable as I find the idea, Iām afraid it wonāt ever happen.