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KEF 103.4 Crossover (sp2175) Help

Dan Reardon

Dan Reardon

New Member
I recently purchased a set of Kef 103.4 speakers one work fine the other was very weak treble. I suspected the ferrofluid was dried but former owner said he swapped mid/nt25 tweeter drivers an the tweeter was fine. O open the back and found someone had butchered the crossover. See photo below. I opened the other and it was only partially upgraded. I have looked everywhere to find some info on the crossover I can see from the partially butchered side that some values are way different. Example is a 31mfd cap was used where factory had a 10mfd cap. all resistors both boards have been changed and 3 cap positions on both boards need to be verified. Can anyone help?
 

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The reason I need the photo is the former owner changed every cap and every resistor. I have found 3 caps at the wrong value based on the other crossover he only partially modified. There are 3 caps in particular that were changed on both i need to verify.
 

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