SAM effects

[Antoine]

If the exact temperature increase is normal or not depends on whether you provide sufficient ventilation (65 degrees is quite high) but that the temperatures increase with higher SAM usage is to be expected.

The SAM percentage controls the amount of bass extension and the amp has to provide much more power for that extra extension.

I would think though that your D amp would rise about as much in temperature as it provides most of the current.

My actual temps. at -25 db. I didn't thaught that the A-Amp makes the work.

Holy moly! This kind of proves the more efficient cooling in at least the 250/1000Pro but that A amp is seriously hot compared to the D amp and supply. While the Devialet has many protections built in, including over temperature I'd contact Devialet and send them this picture anyway just to verify that this is right.

AFAIK nobody has ever reported/mentioned these big differences on the forum but perhaps it is perfectly OK. The Pro series are of course very new so things could change compared to the older series.