Noise when Bluesound Pulse on and ampli out

Answered

dajon

• February 17, 2024 10:22

Hello everyone and thank you in advance to those who take the time to read this post.

Here is my configuration: an analog ampli with 2 wired speakers, a Google cast box to listen to Spotify or Daphile. Everything is OK. 

Furthermore, 2 pulse bluesound speakers that I rarely use because I have to go through the proprietary bluOs app which is not very sexy.

But my old wired speakers take up space and my wife would like to keep the 2 light and discreet bluesound speakers. Hence the idea of ​​replacing the 2 old HPs with the pulse via their analog/optic in port and a 3.5 jack socket.

I bought soldering jack sockets. At each jack socket I soldered the "red" + wire from the old speaker to the so-called hot tip of the jack and the black wire - to the ground of the jack. I activated analog mode on the blueOs app. It works perfectly except that when I turn off the ampli I have a whirring sound in the pulse. I have to pause the pulse via the blueOs app so that the noise stops. Could I have soldered the cables incorrectly, reversed? THANKS

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• Official comment

  

  Seppi Evans

  Hi-Res

  • February 17, 2024 10:42
  • Edited

  You cannot use the amplifiers speaker outputs to the Pulse line in, you will destroy or at least damage the Pulse speakers.

  What you want to use is a tape out or pre amp out from the amplifier and use that to connect to one of the Pulse speakers. You will only need to connect to one Pulse and then create a stereo pair in the BluOS App.
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  dajon

  • February 17, 2024 10:57

  oups, thanks for your answer about the risk of connecting directly from the ampli speaker outputs. I didn't know.

  So ok but i do not understand what you mean writing "a tape out or pre amp out from the amplifier". What tape means ? With a preamp whihch kind of connection with the pulse ? Wired ? wifi ?

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• 

  Seppi Evans

  Hi-Res

  • February 17, 2024 11:01

  Have a look at the back of your amplifier there hopefully will be RCA or phono sockets, look for one marked tape out or pre-out. You then connect these sockets via a stereo cable to one Pulse speaker’s analogue / optical input using a lead like this…

  https://www.av.com/Cables/QED-Connect-35mm-Jack-Phono-075m/4MMQ?origin=product-ads&gad_source=1&gclid=EAIaIQobChMIra3IqJyyhAMVcpdQBh3pmABHEAQYAyABEgIQBvD_BwE

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  dajon

  • February 17, 2024 12:07

  OK i will test and come back

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  dajon

  • February 21, 2024 21:02

  Hi, great it works. Don't realy understand why but it works !!!

  If i connect a RCA on tape output and set source on "aux" for example (when my google cast is connected) i listen spotify. If i select tuner source i ear my radio etc...

  The only "pb" is i cannot set the nivel of the sound on the ampli (or on tape) but on the phone. I set nivel max on blueos app then i set the nivel in spotify or on the smartphone.

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  dajon

  • February 23, 2024 14:13

  How can i use the ampli and set the nivel of the sound ?

   

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• 

  Seppi Evans

  Hi-Res

  • February 23, 2024 14:31

  Your amp does not appear to have a variable output on the tape sockets, if it has a pre-out then this may be variable.

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