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ARCHIVED FORUM -- March 2012 to February 2022
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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

trouble shooting advice CX75

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Der_Rudi
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Der_Rudi Posted: Sun, Jun 7 2020 11:16 AM

HI All,

I just refoamed a pair of CX75 (only the top drivers) and this was not a bad job at all. But now I tested them and they really sound as a beverage can. I didn't test them beforehand.

Now my question where to start with troubleshooting?

As I'm quite new to this.

Already measured the disconnected drivers with my ohm-meter and all are around 5,5 ohms which sounds about right?

did some more testing and i gt sound from the refoamed driver when connected directly to my pi-zero mini amp. but still weak. when connected to the rest there is absolutly no movement.

also tried to center them again but there is no rub no notice

 

Thanks!

Der_Rudi
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gentle bump

any help would be highly appreciated

Premiumverum
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Netherlands
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A couple of suggestions:

Did you reconnect the driver correctly? If you mix up + and - it will be out of phase, this will affect the sound.

Are both CX-es connected to the amp correctly?

What amplifier are you using?

Did you use a correct surround for the repair?

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