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This forum has been set up to facilitate discussion of 1970s KEF speakers and drive units. The owner of the Forum has no connection with KEF Audio.
 
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  Topic: Celeste iv rebuild
Ripcurler

Replies: 9
Views: 8238

PostForum: DIY with KEF drive units   Posted: Mon Oct 03, 2016 9:03 pm   Subject: Celeste iv rebuild
The voice coils in these T33s are not fluid cooled. The new diaphragms have arrived - would you advise using ferro fluid in the rebuild?
  Topic: Celeste iv rebuild
Ripcurler

Replies: 9
Views: 8238

PostForum: DIY with KEF drive units   Posted: Tue Sep 20, 2016 7:26 pm   Subject: Celeste iv rebuild
The B200 bass drivers are the paper coned SP1070, three point fixings and mechanically isolated from the sealed cabinet. Here is a picture of the bass driver http://s38.photobucket.com/user/stuartnwat ...
  Topic: SP1136 crossover query
Ripcurler

Replies: 2
Views: 2373

PostForum: KEF speakers   Posted: Tue Sep 20, 2016 7:12 pm   Subject: SP1136 crossover query
Sorry about the link. I have created a photobucket account so hopefully this will be better.

http://s38.photobucket.com/user/stuartnwatson/library/SP1136
  Topic: Celeste iv rebuild
Ripcurler

Replies: 9
Views: 8238

PostForum: DIY with KEF drive units   Posted: Tue Sep 20, 2016 7:10 pm   Subject: Celeste iv rebuild
Sorry about the link. I have created a photobucket account so hopefully that will be better.... new link below

http://s38.photobucket.com/user/stuartnwatson/library/KEF%20T33
  Topic: SP1136 crossover query
Ripcurler

Replies: 2
Views: 2373

PostForum: KEF speakers   Posted: Sun Sep 18, 2016 6:22 pm   Subject: SP1136 crossover query
Does anyone have a diagram for the Kef SP1136 crossover board or know what capacitors were fitted as stock. Mine seem to have been modified with RS components electrolytics. Pics on attached link
  Topic: Celeste iv rebuild
Ripcurler

Replies: 9
Views: 8238

PostForum: DIY with KEF drive units   Posted: Sun Sep 18, 2016 6:03 pm   Subject: Celeste iv rebuild
Do you mean that the tweeters were built by audax to the kef design? I have taken some photos of the tweeters - they look very much like the t33 sp1074. I think the audax had a circular front panel
  Topic: Celeate 1v
Ripcurler

Replies: 4
Views: 4515

PostForum: DIY with KEF drive units   Posted: Sat Sep 17, 2016 5:04 pm   Subject: Celeate 1v
I appreciate that this is thread is more than a decade old but I thought I should contribute just in case anyone else is tackling a Celeste iv rebuild.

The top cover is held in place with a single ...
  Topic: Celeste iv rebuild
Ripcurler

Replies: 9
Views: 8238

PostForum: DIY with KEF drive units   Posted: Sat Sep 17, 2016 4:55 pm   Subject: Celeste iv rebuild
I'm hoping someone can help me. I have a pristine pair of Celeste iv except the voice coils on both tweeters are open circuit. Careful disassembly and inspection with a loupe shows that the wire is b ...
 
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