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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: KEF Xover schematics.
AndyS

Replies: 2
Views: 2719

PostForum: KEF speakers   Posted: Sat Aug 29, 2015 9:44 pm   Subject: KEF Xover schematics.
Thanks for the response.

The SP1052s I have include 3x 10uF, 1x 3.3uF and 1x 30uF caps. Not quite the Xover you describe.

I am looking to give the info as inductor values might help me get rid o ...
  Topic: KEF Xover schematics.
AndyS

Replies: 2
Views: 2719

PostForum: KEF speakers   Posted: Sat Aug 29, 2015 3:25 pm   Subject: KEF Xover schematics.
I have searched the Forum and Interweb and cannot find what I am looking for so......

Can any of you nice folks out there help me with schematics for SP2004 and SP1052 crossovers.

I have several ...
  Topic: LNB Para-Lab Super
AndyS

Replies: 2
Views: 4348

PostForum: Other speakers   Posted: Tue Aug 11, 2015 1:53 pm   Subject: LNB Para-Lab Super
This is the crossover for the speakers.

All Caps are 4uF
The Inductor nfor the Bass/Mid reads about 1.3 mH and the tweeter about 0.35 mH.

http://i1314.photobucket.com/albums/t567/AndyS53/Xover% ...
  Topic: LNB Para-Lab Super
AndyS

Replies: 2
Views: 4348

PostForum: Other speakers   Posted: Wed Aug 05, 2015 4:16 pm   Subject: LNB Para-Lab Super
I have recently, yesterday, become the owner of a pair of LNB Para-Lab Supers. Not very much pennies and initial listening is favourable.

I must admit I was a little worried about how authentic the ...
  Topic: KEF B110 SP1003 New surround or repair?
AndyS

Replies: 15
Views: 19788

PostForum: KEF speakers   Posted: Fri Jul 24, 2015 4:54 pm   Subject: KEF B110 SP1003 New surround or repair?
Hi, thanks for the reponse, I wish I could afford a pair of the new B110s, fortunately I have a spare one to use. They are 1973 vintage so begining to show their age, physically, the old unpainted cha ...
  Topic: KEF B110 SP1003 New surround or repair?
AndyS

Replies: 15
Views: 19788

PostForum: KEF speakers   Posted: Fri Jul 24, 2015 2:06 pm   Subject: KEF B110 SP1003 New surround or repair?
I have just noticed that one of my B110s has a half inch split in the surround, on the outside of the roll adjacent to one of the fixing holes.

Has anyone got experience of repairing this sort of s ...
  Topic: KEF B200 What type are these?
AndyS

Replies: 3
Views: 3756

PostForum: KEF Speakers from the 1970s   Posted: Fri Jul 17, 2015 1:52 pm   Subject: KEF B200 What type are these?
Hi, thanks for your reply. Most of the pics I have seen of the SARAs show the B200 with a large white cap/plug in the centre. The black sealant around the back of the speaker, where it seals into the ...
  Topic: KEF B200 What type are these?
AndyS

Replies: 3
Views: 3756

PostForum: KEF Speakers from the 1970s   Posted: Thu Jul 16, 2015 8:16 pm   Subject: KEF B200 What type are these?
I have a pair of B200 1014s that appear to have been modified, quite well, and I am wondering if any of you nice folk out there may know something about them? The inside of the cones have a letter Z o ...
  Topic: KEF B200 What type are these?
AndyS

Replies: 0
Views: 3020

PostForum: KEF Speakers from the 1970s   Posted: Thu Jul 16, 2015 8:15 pm   Subject: KEF B200 What type are these?
I have a pair of B200 1014s that appear to have been modifies, quite well, and I am wondering if any of you nice folk out there may know something about them? The inside of the cones have a letter Z o ...
  Topic: KefKit4 / Cresta
AndyS

Replies: 6
Views: 3577

PostForum: DIY with KEF drive units   Posted: Tue Jun 02, 2015 9:12 pm   Subject: KefKit4 / Cresta
surv1v0r, Thanks for the but probably not viable unless you live in North Derbyshire or are near Hastings next week. A good thought though. I have the KEF template for the driver if I can find someone ...
  Topic: KefKit4 / Cresta
AndyS

Replies: 6
Views: 3577

PostForum: DIY with KEF drive units   Posted: Thu May 28, 2015 10:37 pm   Subject: KefKit4 / Cresta
proffsi, at the moment I am considering all options, have got the sheets on the CS1 & CS1A, I have a pair of the older type B110s and T27s and a pair of brand new Morel CAT 928s. Trying not to spe ...
  Topic: KefKit4 / Cresta
AndyS

Replies: 6
Views: 3577

PostForum: DIY with KEF drive units   Posted: Thu May 28, 2015 5:51 pm   Subject: KefKit4 / Cresta
SaSi, thanks for your response, I believed that this was the case, however I have some Quadrophonic recordings that appear to push almost equal volume levels to all 4 corners. No chance of having 4 R5 ...
  Topic: KefKit4 / Cresta
AndyS

Replies: 6
Views: 3577

PostForum: DIY with KEF drive units   Posted: Tue May 26, 2015 11:39 am   Subject: KefKit4 / Cresta
I am looking to build a pair of speakers to be left and right rears to match, as well as possible, my Cambridge R50s.

Going through my collection of speakers I find some Kef B110 SP1003s and a pair ...
  Topic: Baobab's respected R50's Hmmm
AndyS

Replies: 24
Views: 15310

PostForum: DIY with KEF drive units   Posted: Tue Jul 30, 2013 12:20 pm   Subject: Baobab's respected R50's Hmmm
Do you, anyone, have suggestions on the amount of longhaired wool required and even a suitable piece of music with a good low frequency spread to use.
As the cabinets were made by a third party and t ...
  Topic: Baobab's respected R50's Hmmm
AndyS

Replies: 24
Views: 15310

PostForum: DIY with KEF drive units   Posted: Sun Jul 07, 2013 8:31 pm   Subject: Baobab's respected R50's Hmmm
I was initially trying to get the newer type T27, I have a dead pair and the older ones seemed to be a better fit. As the B139s were the original Racetrack type it was possible that the T27s were the ...
 
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