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+--- Thread: D220 Pro from the inside. (/Thread-D220-Pro-from-the-inside)
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D220 Pro from the inside. - Devialetuser - 30-Aug-2017
Here is how the D220 Pro looks from inside, found these at:
http://hifireview.com.hk/20170418/devialet-expert-440-pro/
RE: D220 Pro from the inside. - Confused - 30-Aug-2017
This is interesting, because it does appear that there are different designs for the ADH board
The first picture is from Devialet's website, the lower pictures are supposedly a 1000Pro and O'dA respectively:
RE: D220 Pro from the inside. - Devialetuser - 30-Aug-2017
Exactly! I thought the only difference was the case work. But it seems that the ADH boards are completely different.
RE: D220 Pro from the inside. - Confused - 30-Aug-2017
Some differences in the power suppliers can also be seen.
RE: D220 Pro from the inside. - Devialetuser - 30-Aug-2017
You are right. I guess you get what you pay for.
RE: D220 Pro from the inside. - Hifi_swlon - 30-Aug-2017
Or the actual production versions of the 250/1000Pro look the same as these?
RE: D220 Pro from the inside. - Confused - 30-Aug-2017
I have done some detective work....
Antoine's bad luck in having to open his 250Pro (upgrade) is our good fortune, as he took a photograph:
The above picture shows two things of interest.
Firstly, the power supply looks pretty much identical to the one in the 220Pro picture at the start of this thread. So it looks as if some of the 1000Pro pictures, including the one I posted earlier, are most likely pre-production pictures, indicating a power supply with slightly more components.
Secondly, the ADH board on the 250Pro is designated rev6.01/6L. The ADH picture on Devialet's website, and some other 1000Pro pictures on line, also show 6.01/6L, see picture below.
The 220 Pro ADH board per the first picture in this thread is designated rev6.022/4L (could 6.022 refer to version 6 ADH for 220, or maybe just coincidence?)
The O'dA ADH board is designated rev6.0, presumably the very first of the V6 specification ADH boards?
Make of it what you will......
RE: D220 Pro from the inside. - Pim - 31-Aug-2017
From what I remember, the Od'A had a newly designed A and D amplifier. Then, when Devialet had to come up with some sort of solution for a problem they had to miniaturise the ADH amp for the Phantom, they found out that the solution they had found would work really well in the Expert as well. So they made the 1000Pro.
I know Guillaume was told both Od'A and 1000Pro should sound the same but that was way after i remember reading the Phantom/1000Pro story. Anyway, by Christmas everyone will own a 1000Pro. Problem solved.
RE: D220 Pro from the inside. - Hifi_swlon - 31-Aug-2017
(31-Aug-2017, 08:46)Pim van Vliet Wrote: .... by Christmas everyone will own a 1000Pro.
So the latest Devialet tagline really will come true....
RE: D220 Pro from the inside. - Pim - 01-Sep-2017
(31-Aug-2017, 20:56)Hifi_swlon Wrote:(31-Aug-2017, 08:46)Pim van Vliet Wrote: .... by Christmas everyone will own a 1000Pro.
So the latest Devialet tagline really will come true....
I sort of meant everyone who owns an Original d' Atelier
