KEF Repair Help

diesel_88 · 2nd November 2008, 02:05 AM

My brother-in-law gave me a pair of busted KEF K120's. It appears during wall mounting an over-eager drill bit found the crossovers, so I'm about to dive in and try to repair.

Being a bit new to this, I could use some advice. My first question is: how do I get the darned thing open? Aside from the terminal cup, there's not a fastener visible on the outside. The baffle is completely concealed by a plastic cover. I assume I've got to pry it off, but it's not very willing, so maybe I should get some tips before breaking stuff.

Thanks!

PKNJ · 2nd November 2008, 03:47 AM

If they're like my 104aB's, take out the drivers and reach in through the holes. The 104aB crossover mounts on the front and comes out that way too. The interconnecting wires may have to be desoldered if you need more space to work on things.

Good Luck.

DaveG · 2nd November 2008, 07:14 AM

I opened up a very similar, older 2 way KEF. The ring should pry off exposing standard screws. Mine had foam rot. As I recall it popped off pretty easily.
Dave

diesel_88 · 19th November 2008, 03:06 AM

I think I found the problem:

Looks like the drill bit bent the circuit board, breaking two traces. I plan to fix it by soldering jumper wires between the broken sections of trace. Unless someone has a better/simpler way (I'm kind of a newbie)...

Thanks for the advice on getting the speaker open.

Frankie_Lee · 22nd November 2008, 12:37 PM

I all electrical faults were that easy to identify

2nd November 2008, 02:05 AM	#1
diesel_88 diyAudio Member Join Date: Oct 2007	KEF Repair Help My brother-in-law gave me a pair of busted KEF K120's. It appears during wall mounting an over-eager drill bit found the crossovers, so I'm about to dive in and try to repair. Being a bit new to this, I could use some advice. My first question is: how do I get the darned thing open? Aside from the terminal cup, there's not a fastener visible on the outside. The baffle is completely concealed by a plastic cover. I assume I've got to pry it off, but it's not very willing, so maybe I should get some tips before breaking stuff. Thanks!

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2nd November 2008, 03:47 AM	#2
PKNJ diyAudio Member Join Date: Oct 2008	If they're like my 104aB's, take out the drivers and reach in through the holes. The 104aB crossover mounts on the front and comes out that way too. The interconnecting wires may have to be desoldered if you need more space to work on things. Good Luck.

2nd November 2008, 07:14 AM	#3
DaveG diyAudio Member Join Date: Feb 2007 Location: West Coast - SF Bay Area -	I opened up a very similar, older 2 way KEF. The ring should pry off exposing standard screws. Mine had foam rot. As I recall it popped off pretty easily. Dave

19th November 2008, 03:06 AM	#4
diesel_88 diyAudio Member Join Date: Oct 2007	I think I found the problem: Looks like the drill bit bent the circuit board, breaking two traces. I plan to fix it by soldering jumper wires between the broken sections of trace. Unless someone has a better/simpler way (I'm kind of a newbie)... Thanks for the advice on getting the speaker open.

22nd November 2008, 12:37 PM	#5
Frankie_Lee diyAudio Member Join Date: Nov 2008	I all electrical faults were that easy to identify

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