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AMP Connection

  • 17 May 2021
  • 6 replies
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I was the lucky owner of a a Connect·Amp, and readily “upgraded” to AMP. Reconnecting the same speakers does not give me the same quality (expected an improvement).  The speakers connected it 2 x Speakercraft Speaker (ACCUFIT ULTRA SLIM THREE) and a SpeakerCraft  8.2 BAS  in-ceiling  sub-woofer. The way they connected to Connect:Amp was connecting the 2 channels to the subwoofer, which then sends “non-bas” to the 2 speakers. 

With AMP that gives a very thin sound with a very light bas. Turning BAS to max makes it still under bas’ed.

Please advise…

 

About Accufit Ultra Slim

https://www.evernote.com/shard/s1/sh/01eb69c3-7f8e-4cc6-95c7-b71d193e565d/05bf095bc6c81fa72f6bcaca653b02cf

 

About 8.2 BAS

https://www.evernote.com/shard/s1/sh/fa2b0896-f400-40d7-9e31-960471d9bcc4/ababb1d64edd29a21d78c51a8cd48b6e

 

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Best answer by johnshansen 17 May 2021, 14:21

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6 replies

The 8.2 BAS speaker is shown in the documentation as a ‘passive’ Bass speaker. Looking at the Sonos Amp literature, it only supports third-party ‘active’ subwoofers, so that will be the reason it’s not working for you.

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Thanks Ken, but I only use the 2 main speaker connections (like I did on the old Connect:Amp) to use the sub’s built-in crossover (getting the full range signal from Sonos).

Thanks Ken, but I only use the 2 main speaker connections (like I did on the old Connect:Amp) to use the sub’s built-in crossover (getting the full range signal from Sonos).

Ah I see - I assume you have perhaps tried adjusting it’s crossover and phase switches to see if that may improve things?

If no joy with adjusting it’s crossover, then you may need to somehow add a separate Amp to drive the Sub as briefly outlined in this other thread I found…

 

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I connected with https://www.ceiling-speakers.co.uk/ , where I bought the speakers.

Jason quickly told me that others have had a similar problem, which can be caused by not phasing the 2 outputs correct. When that happens the Subwoofer cancel itself. Switching the lines on one of the speaker outputs solved the problem.

Thanks for the feedback here @johnshansen. That’s well worth remembering and hopefully will be helpful to others too.👍