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North Creek Rhythm Speaker stopped working

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Posted on November 21, 2020 at 18:22:44
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 I have a pair of North Creek Rhythm speakers that I immensely enjoy. I recently moved and now one speaker has no midrange only the tweeter working. The bottom binding posts are not working. Could moving the speaker cause something inside the crossover to come loose. I tried unscrewing the back panel but I can't get it off. Any thoughts?

 

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RE: North Creek Rhythm Speaker stopped working, posted on November 21, 2020 at 18:54:11
Presto
Audiophile

Posts: 5957
Location: Canada
Joined: November 10, 2004
 Could be a loose connection inside... you can usually get one of the woofers out and inspect wiring that way.

Sometimes a dropped speaker can cause a magnet to shift, but in an MTM design like that the odds of BOTH midwoofs being damaged due to a move are unlikely. Could be something rattled loose.

The wiring from the bottom terminals will go to a low-pass filter portion of a/the crossover and from there to the two mid-woofs. Checking, or "ringing out" (measuring) wiring with a meter is the first step.

You can measure individual woofer coils to try and narrow things down further.

Cheers,
Presto

 

RE: North Creek Rhythm Speaker stopped working, posted on November 21, 2020 at 18:56:46
sleeper
Audiophile

Posts: 1166
Joined: May 21, 2002
 That back panel might be a real devil to remove. Take a look at this site that details the cabinet construction from George's DIY kit: http://attitube.com/loudspeakers/rhythm-classic-loudspeaker-kit/ You might get some help from the manuals that he provided with the kit if you do not already have them. You can download them from the link below.

 

RE: North Creek Rhythm Speaker stopped working, posted on November 21, 2020 at 19:02:47
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 Thanks. It's strange to me that after taking all the screws out of the rear I b does not budge at all.

 

RE: North Creek Rhythm Speaker stopped working, posted on November 21, 2020 at 20:13:36
Jonesy
Audiophile

Posts: 3156
Location: Winnipeg, Manitoba
Joined: September 1, 2005
Contributor
  Since: March 1, 2018
 If the panel is anything like the pics in the link, you might try putting some of the screws back part way in and pull on them to help pry it loose.

If any kind of paint or sealant was used though, it won't just "fall off".

You might even try "heating" the edges with a hair dryer to help loosen things.

Would be a shame to damage the wood actually trying to pry the panel out.

Looks like the drivers are sealed in with a sticky gasket. But removing a driver as another inmate mentioned is certainly another option.

Nice speakers! Hope things go well.

Cheers!

Jonesy




"I know just enough to get into trouble. But not enough to get out of it."




 

RE: North Creek Rhythm Speaker stopped working, posted on November 22, 2020 at 06:31:54
airtime
Audiophile

Posts: 11287
Location: Arizona
Joined: February 4, 2003
 Can you take the driver off from the front?

Look inside and make sure the wires are connected to the driver. Both going at the same time????? Well, they could have used over sized crimp on connectors and they both fell off. I have seen that.

 

RE: North Creek Rhythm Speaker stopped working, posted on November 22, 2020 at 07:15:59
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 I got the crossover back panel off. The connections to the posts are solid. Trying to to get midrange driver out. What measurements should I make ?

 

RE: North Creek Rhythm Speaker stopped working, posted on November 22, 2020 at 16:38:50
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 I also managed to get the drivers out and all connections are solid.

 

RE: North Creek Rhythm Speaker stopped working, posted on November 23, 2020 at 17:21:41
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 I can't really get great access to the crossover but it seems everything is connected. Any chance of getting go this repaired? Has anyone ever reached out to George and asked advice?

 

RE: North Creek Rhythm Speaker stopped working, posted on November 27, 2020 at 07:14:35
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 I can't really get great access to the crossover but it seems everything is connected. Any chance of getting go this repaired? Has anyone ever reached out to George and asked advice?

 

RE: North Creek Rhythm Speaker stopped working, posted on December 20, 2020 at 05:02:50
onekid
Audiophile

Posts: 79
Location: New York
Joined: April 21, 2002
 Update! Sent the woofers to Miller Sound. They were indeed damaged. Bill did an amazing job and a complete pleasure to chat with. Everything is back up and running. Bill did mention that ScanSpeak had the polarity marked backwards on the drivers. Wondering anyone else has ever experienced this with their stuff.

 

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