Question about AKG K 240DF Professional Headphones
The sound just went out on the right side of headphones and if I wiggle it around sometimes I can get it to work it most of the time it doesn't.
First, these are great sounding headphones. Comfortable too. Lightweight, good fit. NEXT: Died after about a year. They were in perfect condition, but the right channel quit on me. Determined to find out why, I dissected them, very carefully. The soft earpads can be easily slid off each side, revealing six screws. Take them out, and what you find is the tiniest, and I mean TINY TINY wires (litz wire) that Sony threads through the smallest hole you have even seen a wire go through, to get the signal from the left side, over to the right. It is through this unbelievably small hole that Sony mashed the wires when they assembled the unit, almost cutting (which is pretty hard to do, as you can't even cut this wire with a sharp scissor) the wires going through this tiny hole. Plenty of slack on the wires, but again, INSIDE the earpiece it is apparent this is a DEFECT during assembly, and no wonder, as when I finally got that wire out, I realized there is no way on earth you're ever getting it back in. Way too tight a fit. Not to worry. Just make a small hole through the outside of the left earpiece, and connect it to the wire that's going up the headset (buried in the 'over the head' band-a little hard to see, but it's in there, don't give up) and wire it to the element inside the earpiece. Actually, look at the new Sony's, and this is how they're doing it now themselves.....you can 'see' the wires on both sides of their new earphones, coming out of the headband, going into the earpieces, just like I have mine now. One last thing. you cannot 'strip' and solder this hair sized wire. To do it correctly, simple apply solder flux to the wire, and use your solder in the normal way, and the insulation will melt, and the connection will be made. Hard to believe anything is made like this, as I have headphones 50 years old that uses REAL wire, shielded, (which this wire is NOT) and they're still good. Sony tried to hide the wires in these headphones, making them kind of neat, and futuristic, but with the smallest, cheapest, hair sized wire on earth. Not a good move. They are all going to fail, and no one but YOU can fix them. No one fixes anything anymore.....but now YOU can, armed with the above knowledge. Good 'phones, crummy wire and assembly at the factory. I've seen lots of complaints about these. I like them a lot, and wanted others to know the deal.
Posted on May 02, 2014
See my tip on dodgy cable/plugs on headphones.
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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