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May 30, 2021, 06:20 PM #1Junior Member
- Join Date
- May 2021
- Location
- Switzerland
- Posts
- 10
Lumin U1 Mini - crackling noise on Coax
Hi all,
I use the Lumin U1 mini to feed two separate systems either through Tidal or the Naim Unity Core.
A) McI C53 / Anthem STR PA / Nubert Pyramide 717
B) McI C8 / McI Mc275 MKVI / Wharfdale Linton Heritage
Via Coax feed there is audible sporadic crackling noise similar to an old Vinyl record.
Audible on both systems, cable exchange to no resolution
Via USB everything is fine - would any of you have a guess what the root cause of these cracks on the Coax port could be ?
Also everytime I select a new song in the playlist there is a split second cut off of the track. Is this normal for the U1 Mini ?
I find this rather bothersome for a streamer in this price range.
Thanks a lot
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May 31, 2021, 01:08 AM #2Senior Member
- Join Date
- Jul 2014
- Location
- Hong Kong
- Posts
- 3,081
Re: Lumin U1 Mini - crackling noise on Coax
Please note when you use the U1 (MINI) USB output connection, the other output ports no longer have correct timing and can cause drop outs, i.e. you can only use up to one DAC if you use the USB output.
If you do not connect the USB output, then you can use up to four DAC via AES / BNC / coaxial / toslink outputs.Peter Lie
LUMIN Firmware Lead
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May 31, 2021, 04:36 PM #3Junior Member
- Join Date
- May 2021
- Location
- Switzerland
- Posts
- 10
Re: Lumin U1 Mini - crackling noise on Coax
Thanks very much Peter,
Yes, I had one system connected via USB and one via Coax indeed, disconnected the USB and all issues solved, the Coax sounds completely clean and all noise is gone, will connect the second system via toslink.
I wish I would have found this forum much earlier.
Again many thanks for the spot-on remote troubleshooting
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AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
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