dB indicator flashing red

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Probably not related but I've noticed recently that I have to have the volume control set high to achieve normal  listening volumes (in my case quite quiet). Typically a classical recording would be 0 to +5dB and rock -10dB or so. This is with SAM or without, playing via AIR from a PC or USB from my Cubox. I contact Devialet and they said it was normal - +38 is possible supposedly. Previously though I can remember typical listening volumes in the -25dB to -15dB range.  I wrote a new config and that didn't help either. No changes in my system significant enough to make such a big difference. Speakers are 88dB sensitivity.

Because I use Acourate filtered music where the louder frequency ranges are truncated to achieve a relatively "flat" target curve at the listening position, I usually listen at between +4 and +15. I never see clipping on the display, but the Devialet gets quite hot after a few hours (59-62). The only time I've noticed the volume lower than usual it's because the PC volume control is down - obviously not the case with you because of the two different sources.

It is intriguing to see how big the differences are between different owner's systems. I use mine with Tune Audio Animas or Goldmund Epilogs. I have also used them with KEF LS50s with an without SAM, and of course had a single D-Premier and dual mono D-Premier in the past too.
With the Animas my volume control will be around -40dB for modern pop music but probably more like -20dB on really good quality dynamic recordings.
The Goldmunds would be -30dB to -10dB in those circumstances.
The LS50 need -10dB but I am reluctant to push these small speakers too hard, they are not very efficient but their max power absorption can not be that high either.
I often listen at the sound levels I have measured at concerts (nowhere near possible with the LS50s) which is pretty loud.
I don't think I have ever needed 0dB volume level never mind a positive value.
I understood that 0dB represented maximum power at full digital modulation. Is that other people's understanding too?

If my recent experience of pop music recordings is typical it means that anybody using a +ve dB value on their volume control will frequently be in output clipping on pop music, though much less often on other music. Perhaps the bits I see at clipping are bass and cut with room correction, but that is to reduce frequencies which excite room modes so presumably whether there is clipping or not will be music related depending on the frequency content and compressor settings of a particular recording.

I have not used the configurator since last July, and don't really need to but am reluctant to do so at the moment anyway with all these reported faults