Hey everyone. Just wanted to share my solution for "improving" the strain relief on my cable 125. Basically, we used
Heat-shrink tubing (huge thanks goes to my friend S.). It's the best possible approach/solution IMO, so here it goes:
The size of the tube we used is 8mm (we have all kinds of sizes), and we stretched it a bit with our Long-Nose Plier, so it can pass through the jack:
We used 2 pieces, one shorter below on top of the original strain-relief, and one longer on top, just in case. It's very sturdy, and looks nice with black tube, but more importantly, it does the job, and I'm no longer worried. We measured the cable (with and without adapter) and everything is as it should be. All connections are bellow 0.1 Ohms, so no bad/broken solders on my unit. Cheers.