This is not a review of new technology, but rather a comment on how impressed I am with an older product. I purchased these headphones in 2001, for about $70, if memory serves. I don’t think you can find them new anymore, but Sennheiser should offer a comparable product today. I used them rather heavily when I was living with roommates. When I got married (and around the same time, switched to my own office at work), they languished and were mostly used during travel until I broke down and purchased Bose noise-canceling headphones in 2005. Anyway, the Sennheisers have made a comeback since I switched to a cubicle environment at work. They have very comfortable pads that allow hours of use without fatigue. And of course, they sound truly excellent. Recently, though, I noticed the right channel would occasionally fade out when I repositioned the headphones. Not good. I thought I’d crack it open and just see what I could do… Best case, I thought, would be borrowing a soldering iron from the lab and doing a quick repair, if the wire was frayed near the contact with the driver. Worst case was a kink that was too far away from the driver to spot-fix.
It took me about ten minutes of fiddling with the casing to open it without damaging it, but my persistence was rewarded. There was no solder point at the driver. Instead, I was amazed to see that the wire was connected via jumper. For those who have never worked in electronics or inside a computer, a jumper is a plastic sleeve around the copper contact. Two copper prongs slide into the jumper, much like an electrical plug in a wall socket. In the case of my headphones, heavy use had caused the jumper to slip off the prongs over time. I just slid that puppy back down firmly, snapped the phones back together, and viola—he is clean: perfect sound once again.
This may seem like a rather archaic detail to you, but I was very impressed. A spot-soldered connection would be much cheaper to manufacture than a jumper, perhaps by several cents. A few pennies on every unit shipped is a big deal, more so because it is a detail unlikely to be noted by the customer. Gotta love that German engineering!
