New product launch?

[Fragoulisnaval]

Well this should be relatively easy for all dual mono owners to test! Just reconfigure and compare! That's the beauty of a forum like this. 

Before I committed to the 500 I carefully evaluated all Devialet models at home with my (then) Sophia 3s. The Dual mono was the clear winner and a no brainer for me at the time. This was because I was running a full Linn Klimax system at the time and with the trade in I was pretty much neutral in terms of financial outlay.

I would say one thing however: the dual monos IMHO are very sensitive to the cable that you place between them. In particular many have supposedly experienced big gains with an RCA to AES connection, even Devialet were recommending this at one point for technical reasons (presence of a transformer at the AES input). Then there was talk of the Crystal SPDIF cable (that shipped with dual mono units) not being up to scratch although I never tested this myself. At the time (going back a couple of years) my dealer confessed that in dual mono demos he preferred to use a cheaper Transparent cable instead of the Crystal. My own experience comprised of going from the stock (unbadged) Transparent premium SPDIF to a Ref XL and being absolutely blown away by the gains to the point of not really understanding why and discussing this with Pedro at Absolute Sounds. If I recall correctly his claim was that the slave (oops sorry, companion) was very susceptible to jitter. 

I believe in fact there were some issues going back a while ago with the synchronisation of dual mono units which were corrected by a firmware update, I think the release notes mentioned something about correcting jitter in the companion. I do remember at the time there was some discussion around this on the forum with some users being unhappy with the dual mono performance. I should add that I was never affected by this issue, or at least I never noticed this. 

Guillaume

 I think it is a serious error from Devialet not to provide a separate connector and cable to use between mono units. Some sort of "bus" connection that is immune to jitter/noise with error correction and necessary communication between units for proper operation.
Using SPDIF and even RCA for this is not the best.. If there is a big difference between link cables, then there is a risk that the two channels sound different. For me this is one of the reasons to stick with a stereo model. I know I might get better sound from a pair of amps, but in my setting the companion would be 2-3 meters from the master which means a long link cable. Not ideal at all.

Something like an Ethernet cable...