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DAC/ Streamer - to upgrade or not to upgrade?

Dear Audiogoner:

With encouragement from Audio-Union , I like to seek further advice from those who are knowledgeable on streaming / DAC in accessing digital music. Currently I am connecting Roku 4  (accessing Tidal MCQ ) sending through its only optical out , to an optical-digital converter, then using  coaxial cable ( Siltech classic Anniversary Series model HF pure silver-gold Coaxial cable ) to a  vintage DAC (Altis Reference) at 48KHz. While the optical to digital converter may diminish the SQ, to my surprise the SQ from my streaming using above connection is only slightly worse when I compare to playing same CD music (whether classical, jazz or popular) using my CD transport(CECTl0) with Siltech cable connecting to the DAC. I had previously raised a question at this Forum about replace the Altis DAC which was positively supported by  some Audiogoner. I then tested Black Note DAC30 Tube Model in place of Altis and I found Black note was only slightly better in SQ to my ear. (By the way, my other equipment are Doshi Alaap V.2.1preamp, Lectron JH50 amp, and Minent  M7 speakers). I hope fellow Audiogoner can provide  advice on the following

1.       In order to improve CD  SQ more noticeably in my system when playing CD with CEC, what DAC would you recommend as the next step to replace Altis?

2.       On streaming,  I wonder if anyone has experience with Roku4? What streaming device (as next step upgrade) would be noticeably better when connecting to Altis? Would I need to replace both Roku and Altis to get noticeable improvement in streaming SQ? If so, what would you recommend?

Thanks a lot.

Sincerely

Moses 189


moses189

Showing 3 responses by moses189

moses189 OP
23 posts
 
Thanks for the correction on Tidal MQA. My Altis Reference is a reasonably good  DAC (retailed $14000 in 1998). The new Black Note retailed about $5000 now and is slightly better than Altis when I was able to compare in my system. I don’t mind streamer-DAC combination as long as the DAC can provide noticeable improvement in SQ and can be connected to CD transport. If not, I prefer a separate DAC so it can be connected to streamer as well as CD transport 
moses189 OP
23 posts
 
Thank you for your feedback. I guess no one has the experience of comparing Streaming using Roku, connecting vua optical to digital converter, and then to my Altis DAC. I have also compared accessing the same  Tidal MQA music via Oppo 105 ( connecting to same Altis DAC), the SQ from Roku is a little better. May be it is due to 48KHZ from Roku but 44 KHz from Oppo 105. If no one has experience comparing blue sound node streaming  or another streamer to Roku, is there anyone who can provide experience of blue sound or another streamer to Oppo105 ? Thanks.
moses189 OP
23 posts
 
Thanks for all the recommendations and suggestions. My only comparison of Roku the way I described is with  Oppo 105, Microsoft surface pro i7 and my iPhone 11pro. The Roku seems to provide better SQ( when using  same Tidal source) . Will certainly try some of the other suggestions in the future. 
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