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Contributor I
August 19, 2019

Turntable + Connect = Degrading/Poor Sound Quality

  • August 19, 2019
  • 14 replies
  • 3626 views
I've seen a lot of similar posts, but nothing that seems to be a 1:1 match with my issue, so here goes...

A much more vinyl savvy friend than I recently purchased a turntable for me as a birthday gift. Out of the box it has Bluetooth connectivity; however, being firmly planted within the Sonos ecosystem I went and purchased a Connect so that I could utilize the speakers setup throughout the house. Setup went off without a hitch as I've come to expect with these products and I was beginning to enjoy my small record collection within minutes; however, things took a turn for the worse about 45mins to an hour in... The sound became increasingly scratchy, distorted, and quiet to the point that I had to turn the speakers volume completely up to hear anything. I found an example from a previous post that closely matches what the music began to sound like: https://www.youtube.com/watch?v=ZlnRUo_egoE Kinda similar to a radio station as the signal fades.

Being an old record, I thought maybe the needle was collecting dust so I cleaned the record, checked/cleaned the needle, played again - same thing.
I tried with a brand new record - same thing.
I tried some small adjustments to the counterweight - same thing.
I tired different cables - same thing.
Being that the Connect/Speakers are connected via WiFi, I thought maybe my internet connection might be the issue, so I ran a speed test which didn't raise any flags, but I also restarted my network for good measure - same thing.

I mentioned previously that the TT has Bluetooth connectivity (which is how I'd been listening to records previously) so I grabbed my portable speaker and, for a $30 speaker, it sounded amazing - I came to realize even better than the Play:1 that I had initially been listening/testing on in my office - no distortion, scratchiness etc.

If it helps, the way I have things setup are TT (with built-in pre-amp on) > Connect via line out/in > Various Sonos speakers via WiFi.

Feeling defeated, I called it an evening and went about my business with plans to look more into it the next day. Fast forward to the following morning, I turn everything on, put on a new record, and it sounds fine coming through the Play:1... weird, but ok. I nearly make it through both sides of a record when the sound starts to crack, distort and become quiet again - a few minutes later I'm back in the same boat. ¯\_(ツ)_/¯

Now, here I am, rambling and with no idea what to do... any thoughts, ideas, suggestions etc will be welcomed with open arms.
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14 replies

Lyricist II
February 13, 2020

@dngustin I’m also under the impression that the record it self is also a factor in play here. Btw, it might be worth mentioning that I changed the Line-in Source to be set to "AirPlay Device", which actually seemed to help a little. extended the play time from 45min to an hour, roughly. Not sure exactly what that leaves it. I should have more than enough bandwidth, with 600 Mbit/s. 

/M

Ken_Griffiths
February 13, 2020

@dngustin I’m also under the impression that the record it self is also a factor in play here. Btw, it might be worth mentioning that I changed the Line-in Source to be set to "AirPlay Device", which actually seemed to help a little. extended the play time from 45min to an hour, roughly. Not sure exactly what that leaves it. I should have more than enough bandwidth, with 600 Mbit/s. 

/M 

As you are using the line-in source name with the AirPlay larger buffer size, and perhaps the line-level set to 10, have you perhaps tried using the turntable with the line-in audio set to 'uncompressed’ in “Settings/System/Audio Compression”...just wondering if that may help?

Lyricist II
February 17, 2020

@dngustin I’m also under the impression that the record it self is also a factor in play here. Btw, it might be worth mentioning that I changed the Line-in Source to be set to "AirPlay Device", which actually seemed to help a little. extended the play time from 45min to an hour, roughly. Not sure exactly what that leaves it. I should have more than enough bandwidth, with 600 Mbit/s. 

/M 

As you are using the line-in source name with the AirPlay larger buffer size, and perhaps the line-level set to 10, have you perhaps tried using the turntable with the line-in audio set to 'uncompressed’ in “Settings/System/Audio Compression”...just wondering if that may help?

I can’t thank you enough @Ken_Griffiths! Bumping up the line-level to 10 seem to have solved my issues. I played for a good 3h yesterday, without any major disturbancies. The only thing I noticed was a few “hick ups”, about a minute in, to 3 of the 5 records I played. It almost sounded like it would’ve been the record that had a scar. But this is not the case. Some kind of buffer/lag thing. Not sure. But the overall experience was a bless. 

/M

Lyricist I
December 11, 2020

Hi, just had similar problem with project turntable connected in line to play 5. Play 5 and more noticeably other speakers in group had back ground hum / crackling. 

 

Don't know why but I though of a feedback issue ...tried other sources but only had noise when in line connection to turntable.

 

The cause....internet power line adapter ... unplugged the sender plug from wall and noise stopped.