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NAD M33 Streaming Amplifier Review

"DIRAC: OEM Provided Updates", it's a little bit cryptic, would have been nice to have more details about these updates, housekeeping or preparation for new features...
 
Have you listened to any familiar music tracks after the update?
Did you notice anything? Unfortunately I have a cold. Maybe that's why I hear differences.
 
Same here, is it just in my head that it seems to sound better since the update (I know, subjective)? And I don't have a cold ;)

Using M10 V2
 
We must be crazy, here is the answer of Bluos: Just to clarify, our updates don’t alter the way the audio is processed, so there shouldn’t be any changes in that regard. However, it’s wonderful to hear that you noticed an improvement in your listening experience after upgrading to the latest BluOS firmware.
 
After the latest update i performed "Reset All" under Audio settings in BluOS app and something changed with the audio. I had the TV on and i could clearly hear that somehing was different from that moment on, maybe it sounds more detailed, not sure.
 
If that is what it is then their publicity is true: “We focus on the meticulous application of fundamentalsignal processing techniques. These include filters and noise shapers that improve the overallimpulse response and transparency of digital-to-analogue conversion to get the absolute bestfrom each DAC chip. ... The QRONO technologies can enable time performance that exceeds the best analogue systems.The audible improvement is immediate."
 
That doesn't look bad. The complete MQA QRONO dsd implementation seems to be getting closer:

Screenshot_20250131-203008_BluOS.jpg


Unfortunately still without playback on the M33.
 
Recently I had an update of both BluOS and Tidal. I use Tidal Connect (Samsung S22 Ultra, latest Android) but now I have issues on my M33:
- It connects via Tidal Connect, but when I select another album it gives a connection error ~80 % of the time.
- When it finally starts after a manual re-try it is always far in the first number.
- The time counter acts weird (updates every 5-10-15 seconds instead of realtime.

When I play Tidal via BluOS it works fine so probably Tidal. Wondering if more people have this and ideally a solution because I really do not like BluOS.

Tidal works flawless on my desktop PC.
 
Recently I had an update of both BluOS and Tidal. I use Tidal Connect (Samsung S22 Ultra, latest Android) but now I have issues on my M33:
- It connects via Tidal Connect, but when I select another album it gives a connection error ~80 % of the time.
- When it finally starts after a manual re-try it is always far in the first number.
- The time counter acts weird (updates every 5-10-15 seconds instead of realtime.

When I play Tidal via BluOS it works fine so probably Tidal. Wondering if more people have this and ideally a solution because I really do not like BluOS.

Tidal works flawless on my desktop PC.
Friend of mine had the same issue with Tidal connect today on his M32 ,Tidal worked trough Bluos but not Tidal Connect .
 
Friend of mine had the same issue with Tidal connect today on his M32 ,Tidal worked trough Bluos but not Tidal Connect .
And i have same problem,it seems like Tidal connect is bug on several system like wiim ect
 
I have a question. The NAD M33 has R en L subwooferoutputs. But the subwoofers play in mono.. When I play a left test signal, my right subwoofer is playing also, and v.v. Is this how it should be?
 
I have a question. The NAD M33 has R en L subwooferoutputs. But the subwoofers play in mono.. When I play a left test signal, my right subwoofer is playing also, and v.v. Is this how it should be?
Yes that is how it "should" be in the sense that this is the intended implementation. The two outs can be individually time and frequency adjusted with Dirac, but will play the same mono-signal. Which I think is the norm in bass management, at least in home audio.
 
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