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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 105.2 Crossover / Head Assembly wiring HELP!
pcolafins13

Replies: 25
Views: 1720

PostForum: KEF speakers   Posted: Fri Apr 21, 2017 4:23 am   Subject: Kef 105.2 Crossover / Head Assembly wiring HELP!
Yes the switch is on the pcb, so it sits behind the power select knob.

http://www.hifiloudspeakers.info/speakertalk/viewtopic.php?t=657&postdays=0&postorder=asc&start=15

Here is a li ...
  Topic: Kef 105.2 Crossover / Head Assembly wiring HELP!
pcolafins13

Replies: 25
Views: 1720

PostForum: KEF speakers   Posted: Fri Apr 21, 2017 1:12 am   Subject: Kef 105.2 Crossover / Head Assembly wiring HELP!
On another thread i started you said that you have a spare pair of S-Stops. I thought I had sent you a Private message regarding that,
but it appears as though it didn't go through. I may be interes ...
  Topic: Kef 105.2 Crossover / Head Assembly wiring HELP!
pcolafins13

Replies: 25
Views: 1720

PostForum: KEF speakers   Posted: Thu Apr 20, 2017 6:14 pm   Subject: Kef 105.2 Crossover / Head Assembly wiring HELP!
Wow! Thanks for all that information. It's obvious you definitely know the ins and outs of how all this works. With me being a complete novice it sounds like I may have jumped the gun on purchasing th ...
  Topic: Kef 105.2 Crossover / Head Assembly wiring HELP!
pcolafins13

Replies: 25
Views: 1720

PostForum: KEF speakers   Posted: Thu Apr 20, 2017 2:59 pm   Subject: Kef 105.2 Crossover / Head Assembly wiring HELP!
I have the crossovers pulled and plan to have a knowledgeable friend restore them with new caps. What are your thoughts about this possibly fixing the s-stop tripping? Should I also have the s-stop ca ...
  Topic: Just picked up pair of 105.2's Have S-Stop ?
pcolafins13

Replies: 9
Views: 523

PostForum: KEF Speakers from the 1970s   Posted: Thu Apr 20, 2017 3:03 am   Subject: Just picked up pair of 105.2's Have S-Stop ?
I have read that there are two versions of the 105.2's? I can't seem to find any info to know exactly how to tell. My serial number is 6154. I read it depends on your serial number?? Thanks again
[/i ...
  Topic: Kef 105.2 Crossover / Head Assembly wiring HELP!
pcolafins13

Replies: 25
Views: 1720

PostForum: KEF speakers   Posted: Thu Apr 20, 2017 1:50 am   Subject: Kef 105.2 Crossover / Head Assembly wiring HELP!
i just stumbled across your thread. i have a pair of the 105.2's that i just recently picked up. One of them is tripping off at moderate volumes. I have the crossovers pulled, and i plan to take them ...
  Topic: Just picked up pair of 105.2's Have S-Stop ?
pcolafins13

Replies: 9
Views: 523

PostForum: KEF Speakers from the 1970s   Posted: Tue Apr 18, 2017 3:36 am   Subject: Just picked up pair of 105.2's Have S-Stop ?
I know it would be a lot of work, but you need to swap protection boards to see if the fault travels across. With one system working properly and the other cutting out prematurely, the best way to iso ...
  Topic: Just picked up pair of 105.2's Have S-Stop ?
pcolafins13

Replies: 9
Views: 523

PostForum: KEF Speakers from the 1970s   Posted: Mon Apr 17, 2017 10:32 pm   Subject: Just picked up pair of 105.2's Have S-Stop ?
I did try turning the knob to the lower wattage setting last night, and the red lights never came on. As for swapping the protection boards, is that pretty easy to do once i get in there? I'm a dummy ...
  Topic: Just picked up pair of 105.2's Have S-Stop ?
pcolafins13

Replies: 9
Views: 523

PostForum: KEF Speakers from the 1970s   Posted: Mon Apr 17, 2017 1:02 am   Subject: Just picked up pair of 105.2's Have S-Stop ?
Thanks for the reply. The LED's do not come on at all except when doing the initial setup. I just meant they are rated for 200 watts. I know generally clean power won't hurt speakers and these Aragons ...
  Topic: Just picked up pair of 105.2's Have S-Stop ?
pcolafins13

Replies: 9
Views: 523

PostForum: KEF Speakers from the 1970s   Posted: Sun Apr 16, 2017 9:48 pm   Subject: Just picked up pair of 105.2's Have S-Stop ?
Hi everyone. I'm new to the Forum. I just purchased my first pair of vintage Kef's, but I've been a KEF fan for a good while with my main speakers being the more Modern XQ-40's which I love! I hooked ...
 
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