“optimized Frequency Response for different sample rates”
@arcam_mark just wondering what this actually means in reality and what difference we might expect to hear, or what the different behaviour of the amp will be? Thanks
“optimized Frequency Response for different sample rates”
@arcam_mark just wondering what this actually means in reality and what difference we might expect to hear, or what the different behaviour of the amp will be? Thanks
I dont see any difference. But i dont really understand what this means: “Fix - optimized frequency response for different sample rates” if this is the problem with the wrong bitrate shown on the display for example on the Patricia Barbers album Clique, there is no difference. with Node2i shows 88,2 and Arcam only 44.1 from the 2. song.
We found that if the sample rate changed the frequency response at the upper limits could be slightly affected, so this beta build (#1306) addresses that issue.
I can find no reason not to release 1306 as a public. It has been running perfectly on my SA 30 for a week , but I do not use the digital inputs, only analog and Roon via wifi. But all is the same as 1206.
Thanks for the update!
Ken
Hello @arcam_mark / @arcam_nick / @arcam_paul / @ARCAM_CS-Tom
Could you share progress on the next official release of the sa30 firmware ?
The next release will be a big update to streaming services so, as such requires a lot of testing - are there specific issues you are experiencing?
Hello and thanks for the prompt feedback.
My main persisting issue is that once I’ve streamed (Via Chromecast), turning on the TV does not switch automatically to HDMI. I have to manually power down the amplifier to get sound back….
I don’t use the remote (amplifier is in another room), so having the possibility to switch to hdmi source from the app would be more than welcome
Thanks, we’ll check this out here - what make/model of TV do you have (may be a factor!)?
I own a Q95T from Samsung.
Appart from this usecase, HDMI on/off works as expected
You mention major updates to streaming services. Great to hear. Can we expect Tidal Connect and/or Spotify Connect in the next version update?
Much as I would love to share information here, I’m afraid I must reserve it for official announcements
Do you have at least any rough ETA?
Aside from my previous answer, there are also external dependencies we have little control over…
It was worth to try anyway
Thanks
Sorry to be so vague
Any news on this one? Do we have any potential release date and release notes?
I’ve just seen a new file has been placed:
www.arcamupdate.co.uk/beta/SA30/
@arcam_mark any update what that is?
I don’t know if anyone has tracked down the source before and if it’s been clarified exactly what the issue is, but it’s most likely about a problem that SoundStageNetwork editors encountered during measurements.
Because of this unusual high-frequency behavior with the analog input when fed through the SA30 and digitized, especially when considering Arcam’s claim that the ADC operates at 32bit/192kHz, we brought it to the attention of the Arcam engineers. They acknowledged the issue and provided us with a fix (net version 1306), which, as of this writing, is not yet available to the public at large. With the fix, the frequency response was re-measured and yielded the following results:
Thanks for the link. I had not seen a full set of measurements on the SA 30. Impressive. No wonder it can drive the snot out of my Sonus Faber Extremas. And no wonder it sounds so good doing so. The latest beta firmware opens up more streaming goodies.
Ken
Thanks a lot @maciekb for the link. Indeed this is most comprehensive set of measurements for SA30 i’ve seen. It’s actually one of the best i have ever seen. ASR, that is quoted in many places so often, should learn from this. They even measured frequency response with real load, instead of dummy load!
For me this one was actually very interesting:
Edit: Actually sent email to Diego, who made the measurement. Let’s see if and what he will comment on that
Edit 2: Seems Diego is very responsive He will add a note about class G to this graph, so that it’s clear from where this second “knee” is coming from