Looks like the Expert 1000 PRO has been "launched".
More details here:
http://devialetchat.com/showthread.php?tid=3160
Details below from a dealer's website. Some more "colour" on what changes have been made but mainly an elaboration on what Devialet has indicated will be be included in the "upgrade"
http://devialetchat.com/showthread.php?tid=3143
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Launching soon.
With the new Expert PRO line, Devialet engineers have once again pushed back the frontiers of audiophile performances. Today, we are proud to introduce our latest technical masterpiece: the 1000 PRO.
With 5 new patents, a power output of 1000 Watts and unprecedented performance, Devialet unveils a breathtaking piece of engineering. The measured amplification of the 1000 PRO is now best-in-class at all power levels.
THD+noise : 0,00025 %
Signal to Noise ratio : 133 dB
New version of ADH Intelligence
, the most advanced yet, with an improved ADH loop regulation algorithm and a 4x improvement of the signal precision control.
New Class A amplifier reducing harmonic distorsion rate and power consumption.
New Class D amplifier inducing a power transmission improved by 25%.
New power supply handling transient loads twice as fast.
New thermal management dissipating heat twice as fast.
New architecture allowing integration of future hardware and software evolutions.