I use these on my SWB1 short scale bass, the sound is great, not too sharp but not dark either, they have good and even string volume.
They have kept their freshness well so far and I'm about 6 months in. Tension is obviously less than on a long scale instrument but I find i quite like it. Bends are easy and slapping a breeze, however if you play a lot of staccato, with ghost notes close to the bridge, you might need a thicker gauge.
Recommended!