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Hrocher
Contributor I
Dec 24, 2020 9:27 PM UTC
Answered

Terrible sound quality line in pro-ject to Play:5

I have just connected my brand new Pro-Ject Debut Carbon to a Play five. Very bad sound. Have to play almost 100% to hear anything. 
Any good quick fix?

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ratty
rattyAnswer
Dec 24, 2020 9:54 PM UTC

The “Sonos edition” of that turntable contains a phono preamp (unsurprisingly), which obviously needs to be turned on. It looks like the regular version doesn’t include a preamp.

A phono signal that hasn’t been through a preamp isn’t just at a very low level, it also lacks RIAA equalisation. It’ll sound horrid.

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7 replies

Airgetlam
Airgetlam
Dec 24, 2020 9:30 PM UTC

Does that particular turntable have a built in pre-amp? If so, you need to switch in on, to the ‘Line’ position.

If it doesn’t, you’d need to get an external pre-amp to put between the turntable and the Sonos. There are dozens available on Amazon, for instance, all relatively inexpensive. 

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Bruce
Airgetlam
Airgetlam
Dec 24, 2020 9:33 PM UTC

Page 4 of the manual for that turntable suggests it does not have a built in pre-amp. 
 

https://www.project-audio.com/wp-content/uploads/2018/03/Manual_Debut-Carbon-DC.pdf

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Bruce
    Ken_Griffiths
    Ken_Griffiths
    Dec 24, 2020 9:34 PM UTC

    I have just connected my brand new Pro-Ject Debut Carbon to a Play five. Very bad sound. Have to play almost 100% to hear anything. 
    Any good quick fix?

    Maybe try this...Goto "Settings/System/[Sonos Five Room Name]” and set the Line-In "source level” to 10 and see if that improves things.

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    HrocherAuthor
    Contributor I
    Dec 24, 2020 9:39 PM UTC

    Have tested that, but I felt it wasn’t enough improvement. It’s a quite expencive turntable, and I’m hoping for really quality sound without any fuzz!

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    HrocherAuthor
    Contributor I
    Dec 24, 2020 9:44 PM UTC

    Does that particular turntable have a built in pre-amp? If so, you need to switch in on, to the ‘Line’ position.

    If it doesn’t, you’d need to get an external pre-amp to put between the turntable and the Sonos. There are dozens available on Amazon, for instance, all relatively inexpensive. 

    Sonos says it has a built-in preamp, so thats quite dissapointing....

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    ratty
    rattyAnswer
    Dec 24, 2020 9:54 PM UTC

    The “Sonos edition” of that turntable contains a phono preamp (unsurprisingly), which obviously needs to be turned on. It looks like the regular version doesn’t include a preamp.

    A phono signal that hasn’t been through a preamp isn’t just at a very low level, it also lacks RIAA equalisation. It’ll sound horrid.

    Translate
      HrocherAuthor
      Contributor I
      Dec 25, 2020 12:07 PM UTC

      Hey Ratty! Found the correct button, and now everything is just perfect 😊

      It was the Phono preamp with a button hidden under the turntable.

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